Prosečne GPS koordinate za poštanski broj 20003: 43.313, -1.975
Spisak gradova:
>> Donostia-San Sebastian 20003, Pais Vasco, Guipúzcoa, GPS koordinate: 43.3128,-1.975
Spisak gradova:
>> Donostia-San Sebastian 20003, Pais Vasco, Guipúzcoa, GPS koordinate: 43.3128,-1.975