Prosečne GPS koordinate za poštanski broj 417-930: 37.649, 126.155
Spisak gradova:
>> Seodo-myeon/서도면 417-930, Incheon/인천, Ganghwa-gun/강화군, GPS koordinate: 37.64889,126.15457
Spisak gradova:
>> Seodo-myeon/서도면 417-930, Incheon/인천, Ganghwa-gun/강화군, GPS koordinate: 37.64889,126.15457