| San Sebastian metropolitan area | |
| Native Name: | Área metropolitana de San Sebastián |
| Settlement Type: | Urban area |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type2: | Largest city |
| Population Footnotes: | [1] |
| Population Metro: | 454,669 |
| Area Metro Km2: | 410 |
| Population Density Metro Km2: | 1093 |
| Demographics Type2: | GDP |
| Demographics2 Footnotes: | [2] |
| Demographics2 Title1: | Metro |
| Demographics2 Info1: | €21.797 billion |
San Sebastián metropolitan area is an area in the province of Gipuzkoa (Spain) which extends into France. It includes, besides the city of San Sebastián, a number of nearby municipalities, some of them bordering. Its total population is 405,099 inhabitants, with its extension of 372.86 square kilometres. It is the 19 th urban agglomeration of Spain in terms of population.
| Municipality | Shire | Population (2008) | Area inkm2 | Density in inhab\km2 | Distance to San Sebastian's city centre in km | |
|---|---|---|---|---|---|---|
| Donostia-San Sebastian | Donostialdea | 183,308 | 60.89 | 3,006.9 | 0 | |
| Irun | Bidasoa-Txingudi | 60,261 | 42.40 | 1,421.25 | 16.5 | |
| Errenteria | Donostialdea | 38,336 | 32.26 | 1,188.34 | 6.8 | |
| Hernani | Donostialdea | 19,138 | 39.82 | 480.61 | 6 | |
| Lasarte-Oria | Donostialdea | 17,647 | 6.01 | 2,936.27 | 6.5 | |
| Pasaia | Donostialdea | 16,091 | 11.34 | 1,418.96 | 4 | |
| Hondarribia | Bidasoa-Txingudi | 16,073 | 28.63 | 561.4 | 17.5 | |
| Andoain | Donostialdea | 14,215 | 27.17 | 523.19 | 11.5 | |
| Hendaye | Arrondissement of Bayonne (France) | 12,596 | 8 | 1,574.5 | 18 | |
| Oiartzun | Donostialdea | 9,806 | 59.71 | 164.23 | 10.5 | |
| Urnieta | Donostialdea | 5,998 | 22.4 | 267.77 | 8 | |
| Lezo | Donostialdea | 5,912 | 8.59 | 688.24 | 10.5 | |
| Usurbil | Donostialdea | 5,718 | 25.64 | 223.01 | 7.6 | |
| Total | - | 405,099 | 372.86 | 1086.46 | - |