Largest cities or towns in Basque Country

Rank                                                                 Province                         Population                      

1	Bilbao	Biscay	351,629
2	Vitoria-Gasteiz	Álava	245,036
3	San Sebastián	Gipuzkoa	186,409
4	Barakaldo	Biscay	100,369
5	Getxo	Biscay	80,026
6	Irun	Gipuzkoa	61,102
7	Portugalete	Biscay	47,756
8	Santurtzi	Biscay	47,129
9	Basauri	Biscay	41,971
10	Errenteria	Gipuzkoa	39,324
11	Leioa	Biscay	30,626
12	Galdakao	Biscay	29,130
13	Sestao	Biscay	28,831
14	Durango	Biscay	28,618
15	Eibar	Gipuzkoa	27,507
16	Erandio	Biscay	24,326
17	Zarautz	Gipuzkoa	22,650
18	Mondragón	Gipuzkoa	22,027
19	Hernani	Gipuzkoa	19,284
20	Llodio	Álava	18,498