Prosečne GPS koordinate za poštanski broj 20008: 43.311, -2.006

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Spisak gradova:
>> Donostia-San Sebastian 20008, Pais Vasco, Guipúzcoa, GPS koordinate: 43.3128,-1.975
>> Igeldo 20008, Pais Vasco, Guipúzcoa, GPS koordinate: 43.3088,-2.0364