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Greece

Top research institutions in Greece

National and Kapodistrian University of Athens ranks first in Greece on research quality in 2022–2025 (#278 worldwide), followed by Aristotle University of Thessaloniki and University of Patras.

Ranked by research quality, 2022–2025

#InstitutionWorld rankTop-10% rateWorksAll time
1National and Kapodistrian University of AthensUniversity · Athens #278 21.8% 10,096 #1
2Aristotle University of ThessalonikiUniversity · Thessaloniki #492 20.4% 10,198 #2
3University of PatrasUniversity · Pátrai #575 22.9% 4,993 #3
4National Technical University of AthensUniversity · Athens #939 20.0% 5,159 #4
5University of ThessalyUniversity · Volos #1,076 24.5% 4,168 #9
6University of CreteUniversity · Rethymno #1,094 20.6% 2,110 #5
7University of IoanninaUniversity · Ioannina #1,162 21.3% 3,117 #6
8University of West AtticaUniversity · Athens #1,227 24.2% 2,873 #13
9Democritus University of ThraceUniversity · Komotini #1,394 22.5% 2,951 #10
10International Hellenic UniversityUniversity · Thessaloniki #1,645 28.5% 1,776 #22
11Foundation for Research and Technology HellasResearch facility · Heraklion #2,030 20.8% 1,058 #7
12Agricultural University of AthensUniversity · Athens #2,119 26.5% 1,706 #14
13University of Western MacedoniaUniversity · Kozani #2,173 29.3% 1,432 #21
14National Centre of Scientific Research "Demokritos"Research facility · Athens #2,256 18.4% 940 #8
15University of the AegeanUniversity · Mytilene #2,442 26.7% 1,906 #12
16Hellenic Mediterranean UniversityUniversity · Heraklion #2,728 27.3% 814 #24
17University of PiraeusUniversity · Piraeus #2,879 26.6% 1,414 #18
18Centre for Research and Technology HellasResearch facility · Thessaloniki #3,183 20.9% 1,005 #17
19Hellenic Open UniversityUniversity · Pátrai #3,322 24.4% 1,265 #27
20Harokopio University of AthensUniversity · Athens #3,502 27.9% 739 #29
21University of PeloponneseUniversity · Tripoli #3,845 18.4% 1,141 #15
22Academy of AthensUniversity · Athens #4,069 18.3% 448 #26
23University of MacedoniaUniversity · Thessaloniki #4,140 27.7% 1,201 #25
24General University Hospital of PatrasHospital / health system · Pátrai #4,554 16.7% 606 #42
25National Observatory of AthensResearch facility · Athens #4,666 26.4% 382 #19
26Ionian UniversityUniversity · Corfu #5,108 20.0% 726 #32
27Athens University of Economics and BusinessUniversity · Athens #5,283 23.3% 839 #23
28AHEPA University HospitalHospital / health system · Thessaloniki #5,307 19.2% 582 #39
29Technical University of CreteUniversity · Chania #5,438 20.7% 1,014 #11
30Laiko General Hospital of AthensHospital / health system · Athens #5,510 20.7% 526 #35
31National Hellenic Research FoundationFunder · Athens #5,556 16.0% 333 #16
32Sotiria General HospitalHospital / health system · Athens #5,949 18.2% 383 #47
33University General Hospital AttikonHospital / health system · Athens #6,220 17.8% 429 #33
34Hippocration General HospitalHospital / health system · Athens #6,561 15.3% 660 #37
35Evangelismos HospitalHospital / health system · Athens #6,895 12.5% 396 #43
36Biomedical Research Foundation of the Academy of AthensNonprofit · Athens #6,899 24.2% 166 #38
37Hellenic Centre for Marine ResearchResearch facility · Anavyssos #6,989 19.7% 346 #28
38Eginition HospitalHospital / health system · Athens #7,095 24.4% 229 #53
39Alexandra HospitalHospital / health system · Athens #7,148 23.2% 341 #60
40Environmental Protection Engineering (Greece)Company · Piraeus #7,329 16.5% 347 #82
41University Hospital of HeraklionHospital / health system · Heraklion #7,436 16.0% 425 #45
42Quality and Reliability (Greece)Company · Marousi #8,236 10.8% 323 #70
43Panagiotis & Aglaia Kyriakou Children's HospitalHospital / health system · Athens #8,252 14.7% 140 #64
44Alexander Fleming Biomedical Sciences Research CenterResearch facility · Athens #8,388 22.7% 101 #41
45Panteion UniversityUniversity · Athens #8,586 22.6% 663 #50
46Crete University PressInstitution · Rethymno #8,694 36.2% 231 #51
47Information Technologies InstituteNonprofit · Thessaloniki #9,013 22.8% 401 #54
48Athena Research and Innovation Center In Information Communication & Knowledge TechnologiesResearch facility · Marousi #9,016 23.3% 284 #65
49The American College of GreeceNonprofit · Athens #9,079 26.4% 307 #68
50FORTH Institute of Electronic Structure and LaserResearch facility · Heraklion #9,100 20.5% 101 #20
51Sismanoglio General HospitalHospital / health system · Athens #9,265 24.3% 131 #78
52Papageorgiou General HospitalHospital / health system · Thessaloniki #9,691 14.9% 404 #71
53University Hospital of LarissaHospital / health system · Larissa #9,928 16.1% 514 #57
54Hygeia HospitalHospital / health system · Athens #10,288 15.0% 145 #77
55University Hospital of IoanninaHospital / health system · Ioannina #10,340 11.7% 399 #58
56Andreas Sygros HospitalHospital / health system · Athens #10,682 23.7% 127 #87
57Hellenic Agency for Local Development and Local GovernmentGovernment institution · Thessaloniki #11,022 19.6% 167 #59
58Institute of Nuclear and Particle PhysicsResearch facility · Athens #11,176 26.3% 75 #30
59Children's Hospital Agia SophiaHospital / health system · Athens #11,710 15.8% 141 #49
60Industrial Systems InstituteNonprofit · Pátrai #11,914 25.1% 157 #100
61Metropolitan HospitalHospital / health system · Athens #11,925 15.8% 181 #91
62G. Papanikolaou General HospitalHospital / health system · Thessaloniki #12,112 13.2% 281 #62
63School of Pedagogical and Technological EducationUniversity · Marousi #12,156 24.8% 176 #46
64University Hospital of AlexandroupolisHospital / health system · Alexandroupoli #12,165 12.1% 247 #83
65424 General Military HospitalHospital / health system · Thessaloniki #13,273 15.8% 143 #97
66KAT General Hospital of AtticaHospital / health system · Athens #13,541 10.6% 312 #66
67Ippokrateio General Hospital of ThessalonikiHospital / health system · Thessaloniki #13,548 13.8% 296 #89
68Hellenic Air ForceGovernment institution · Athens #13,884 14.5% 161 #80
69Pasteur Hellenic InstituteNonprofit · Athens #13,902 15.2% 88 #36
70Hellenic Military AcademyUniversity · Voula #13,952 17.3% 133 #115
71Mediterranean Agronomic Institute of ChaniaUniversity · Chania #14,115 22.5% 143 #86
72Red Cross HospitalHospital / health system · Athens #14,361 12.1% 233 #73
73Athens Medical CenterHospital / health system · Athens #14,548 11.0% 279 #52
74Institute of Communication and Computer SystemsNonprofit · Zografos #14,723 19.6% 211 #63
75National Public Health OrganizationGovernment institution · Athens #14,767 25.0% 106 #104
76Frontier Science Foundation-HellasNonprofit · Athens #14,879 14.8% 173 #96
77Hellenic Ministry of Culture and SportsGovernment institution · Athens #15,122 22.7% 130 #81
78General Hospital of NikeaHospital / health system · Piraeus #15,575 16.5% 145 #105
79Metropolitan CollegeUniversity · Athens #16,207 12.4% 142 #93
80FORTH Institute of Chemical Engineering SciencesResearch facility · Pátrai #16,250 12.5% 67 #44
81General Hospital of Athens G. GenimatasHospital / health system · Athens #16,436 8.8% 199 #90
82Agios Pavlos General HospitalHospital / health system · Kalamaria #16,496 9.6% 113 #135
83Ministry of Education and Religious AffairsGovernment institution · Athens #17,371 30.9% 129 #130
84Aretaeio HospitalHospital / health system · Athens #17,631 16.3% 116 #92
85Benaki Phytopathological InstituteResearch facility · Athens #17,651 24.7% 106 #98
86National School of Public HealthUniversity · Athens #17,659 13.8% 111 #76
87Onassis Cardiac Surgery CenterHospital / health system · Athens #18,231 12.5% 168 #88
88Computer Technology Institute and Press “DIOPHANTUS”Research facility · Pátrai #18,682 21.1% 95 #67
89St Savas HospitalHospital / health system · Athens #19,052 9.8% 128 #74
90Athens Naval & Veterans HospitalHospital / health system · Athens #19,293 13.7% 96 #120
91Stavros Niarchos FoundationNonprofit · Athens #20,060 16.5% 88 #128
92Polyclinic General HospitalHospital / health system · Athens #20,219 7.6% 88 #99
93The General Hospital of Heraklion "Venizeleio-Pananio"Hospital / health system · Heraklion #20,769 6.6% 120 #126
94Tzaneion General HospitalHospital / health system · Piraeus #20,825 10.6% 104 #110
95Space Hellas (Greece)Company · Athens #21,027 10.0% 69 #166
96Henry Dunant HospitalHospital / health system · Athens #21,208 14.5% 63 #79
97401 General Military Hospital of AthensHospital / health system · Athens #21,269 9.8% 89 #114
98Iaso Children’s HospitalHospital / health system · Marousi #21,364 11.2% 78 #147
99Metaxa HospitalHospital / health system · Athens #21,611 7.8% 106 #132
100General Hospital Asklepieio VoulasHospital / health system · Athens #22,025 10.4% 65 #153
101Technological Educational Institute of PeloponneseUniversity · Kalamata #22,339 26.9% 66 #108
102Federation of Greek MaricultureGovernment institution · Athens #22,522 29.5% 83 #162
103French School at AthensResearch facility · Athens #22,624 10.0% 154 #163
104Hellenic Naval AcademyUniversity · Piraeus #22,759 16.6% 64 #103
105Institute for Language and Speech ProcessingNonprofit · Marousi #22,832 18.9% 63 #140
106Hospital Agioi AnargyroiHospital / health system · Kifissia #22,937 10.8% 68 #125
107FORTH Institute of Mediterranean StudiesResearch facility · Rethymno #23,151 9.5% 70 #171
108Mitera HospitalHospital / health system · Marousi #23,168 13.8% 79 #144
109General-Maternity District Hospital Helena VenizelouHospital / health system · Athens #23,178 16.3% 81 #143
110National Centre for Social researchResearch facility · Athens #23,202 17.0% 113 #122
111Interbalkan Medical CenterHospital / health system · Thessaloniki #23,493 10.9% 136 #168
112Theageneio General HospitalHospital / health system · Thessaloniki #23,756 14.2% 81 #127
113Social Insurance InstituteInstitution · Kalamaria #24,412 6.0% 93 #160
114IASO General HospitalHospital / health system · Athens #24,524 11.3% 69 #151
115Agia Olga HospitalHospital / health system · Athens #24,633 14.9% 75 #136
116Hellenic Red CrossNonprofit · Athens #24,755 10.1% 95 #116
117Institute of Educational PolicyInstitution · Athens #24,963 12.2% 79 #139
118General Hospital of Ioannina G. HatzikostaHospital / health system · Ioannina #25,142 6.9% 73 #167
119Ministry of HealthGovernment institution · Athens #25,209 10.0% 64 #197
120Ministry of FinanceGovernment institution · Athens #25,277 14.2% 101 #192
121St. Luke's HospitalHospital / health system · Thessaloniki #25,634 6.7% 67 #201
122General Hospital of DramaHospital / health system · Drama #25,798 5.5% 69 #175
123Athens School of Fine ArtsUniversity · Athens #26,275 14.6% 69 #173
124Ellinogermaniki AgogiUniversity · Pallini #27,934 1.8% 85 #205

Institutions above the volume floor, ranked within Greece on the quality composite for 2022–2025; research measures only, not teaching. The tick on each rate track is the world’s rate in this record, 16.5% — teal above it, red below; bars are scaled to the largest institution on this page.

Size against quality inside Greece

The upper left is the interesting corner: institutions that publish less than the national giants and land more of it in the world top 10%.

0%20%40%mean 17.5823%fractional works (log) →share in the world top 10% →National and Kapodistrian University of Athens: 10k, 21.8%Aristotle University of Thessaloniki: 10k, 20.4%University of Patras: 4,993, 22.9%National Technical University of Athens: 5,159, 20.0%University of Thessaly: 4,168, 24.5%University of Crete: 2,110, 20.6%University of Ioannina: 3,117, 21.3%University of West Attica: 2,873, 24.2%Democritus University of Thrace: 2,951, 22.5%International Hellenic University: 1,776, 28.5%Foundation for Research and Technology Hellas: 1,058, 20.8%Agricultural University of Athens: 1,706, 26.5%University of Western Macedonia: 1,432, 29.3%National Centre of Scientific Research "Demokritos": 940, 18.4%University of the Aegean: 1,906, 26.7%Hellenic Mediterranean University: 814, 27.3%University of Piraeus: 1,414, 26.6%Centre for Research and Technology Hellas: 1,005, 20.9%Hellenic Open University: 1,265, 24.4%Harokopio University of Athens: 739, 27.9%University of Peloponnese: 1,141, 18.4%Academy of Athens: 448, 18.3%University of Macedonia: 1,201, 27.7%General University Hospital of Patras: 606, 16.7%National Observatory of Athens: 382, 26.4%Ionian University: 726, 20.0%Athens University of Economics and Business: 839, 23.3%AHEPA University Hospital: 582, 19.2%Technical University of Crete: 1,014, 20.7%Laiko General Hospital of Athens: 526, 20.7%National Hellenic Research Foundation: 333, 16.0%Sotiria General Hospital: 383, 18.2%University General Hospital Attikon: 429, 17.8%Hippocration General Hospital: 660, 15.3%Evangelismos Hospital: 396, 12.5%Biomedical Research Foundation of the Academy of Athens: 166, 24.2%Hellenic Centre for Marine Research: 346, 19.7%Eginition Hospital: 229, 24.4%Alexandra Hospital: 341, 23.2%Environmental Protection Engineering (Greece): 347, 16.5%University Hospital of Heraklion: 425, 16.0%Quality and Reliability (Greece): 323, 10.8%Panagiotis & Aglaia Kyriakou Children's Hospital: 140, 14.7%Alexander Fleming Biomedical Sciences Research Center: 101, 22.7%Panteion University: 663, 22.6%Crete University Press: 231, 36.2%Information Technologies Institute: 401, 22.8%Athena Research and Innovation Center In Information Communication & Knowledge Technologies: 284, 23.3%The American College of Greece: 307, 26.4%FORTH Institute of Electronic Structure and Laser: 101, 20.5%Sismanoglio General Hospital: 131, 24.3%Papageorgiou General Hospital: 404, 14.9%University Hospital of Larissa: 514, 16.1%Hygeia Hospital: 145, 15.0%University Hospital of Ioannina: 399, 11.7%Andreas Sygros Hospital: 127, 23.7%Hellenic Agency for Local Development and Local Government: 167, 19.6%Institute of Nuclear and Particle Physics: 75, 26.3%Children's Hospital Agia Sophia: 141, 15.8%Industrial Systems Institute: 157, 25.1%Metropolitan Hospital: 181, 15.8%G. Papanikolaou General Hospital: 281, 13.2%School of Pedagogical and Technological Education: 176, 24.8%University Hospital of Alexandroupolis: 247, 12.1%424 General Military Hospital: 143, 15.8%KAT General Hospital of Attica: 312, 10.6%Ippokrateio General Hospital of Thessaloniki: 296, 13.8%Hellenic Air Force: 161, 14.5%Pasteur Hellenic Institute: 88, 15.2%Hellenic Military Academy: 133, 17.3%Mediterranean Agronomic Institute of Chania: 143, 22.5%Red Cross Hospital: 233, 12.1%Athens Medical Center: 279, 11.0%Institute of Communication and Computer Systems: 211, 19.6%National Public Health Organization: 106, 25.0%Frontier Science Foundation-Hellas: 173, 14.8%Hellenic Ministry of Culture and Sports: 130, 22.7%General Hospital of Nikea: 145, 16.5%Metropolitan College: 142, 12.4%FORTH Institute of Chemical Engineering Sciences: 67, 12.5%General Hospital of Athens G. Genimatas: 199, 8.8%Agios Pavlos General Hospital: 113, 9.6%Ministry of Education and Religious Affairs: 129, 30.9%Aretaeio Hospital: 116, 16.3%Benaki Phytopathological Institute: 106, 24.7%National School of Public Health: 111, 13.8%Onassis Cardiac Surgery Center: 168, 12.5%Computer Technology Institute and Press “DIOPHANTUS”: 95, 21.1%St Savas Hospital: 128, 9.8%Athens Naval & Veterans Hospital: 96, 13.7%Stavros Niarchos Foundation: 88, 16.5%Polyclinic General Hospital: 88, 7.6%The General Hospital of Heraklion "Venizeleio-Pananio": 120, 6.6%Tzaneion General Hospital: 104, 10.6%Space Hellas (Greece): 69, 10.0%Henry Dunant Hospital: 63, 14.5%401 General Military Hospital of Athens: 89, 9.8%Iaso Children’s Hospital: 78, 11.2%Metaxa Hospital: 106, 7.8%General Hospital Asklepieio Voulas: 65, 10.4%Technological Educational Institute of Peloponnese: 66, 26.9%Federation of Greek Mariculture: 83, 29.5%French School at Athens: 154, 10.0%Hellenic Naval Academy: 64, 16.6%Institute for Language and Speech Processing: 63, 18.9%Hospital Agioi Anargyroi: 68, 10.8%FORTH Institute of Mediterranean Studies: 70, 9.5%Mitera Hospital: 79, 13.8%General-Maternity District Hospital Helena Venizelou: 81, 16.3%National Centre for Social research: 113, 17.0%Interbalkan Medical Center: 136, 10.9%Theageneio General Hospital: 81, 14.2%Social Insurance Institute: 93, 6.0%IASO General Hospital: 69, 11.3%Agia Olga Hospital: 75, 14.9%Hellenic Red Cross: 95, 10.1%Institute of Educational Policy: 79, 12.2%General Hospital of Ioannina G. Hatzikosta: 73, 6.9%Ministry of Health: 64, 10.0%Ministry of Finance: 101, 14.2%St. Luke's Hospital: 67, 6.7%General Hospital of Drama: 69, 5.5%Athens School of Fine Arts: 69, 14.6%Ellinogermaniki Agogi: 85, 1.8%University of PatrasNational and Kapodis…Aristotle University…National Technical U…
above the meannear itbelow it

One dot per institution in the table above.