Coordinate GPS medie per codice postale 417-913: 37.718, 126.312

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lista delle città :
>> Samsan-myeon/삼산면 417-913, Incheon/인천, Ganghwa-gun/강화군, Hari/상리, coordinate GPS: 37.71818,126.31182
>> Samsan-myeon/삼산면 417-913, Incheon/인천, Ganghwa-gun/강화군, Sangri/석모리, coordinate GPS: 37.7182,126.31184
>> Samsan-myeon/삼산면 417-913, Incheon/인천, Ganghwa-gun/강화군, Seokmori/하리, coordinate GPS: 37.71821,126.31185