Prosečne GPS koordinate za poštanski broj 631-812: 35.125, 128.496

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Spisak gradova:
>> Jindong-myeon/진동면 631-812, Gyeongsangnam-do/경남, Masan-si/마산시, Gohyeonri gungdo/고현리 궁도, GPS koordinate: 35.12471,128.49547
>> Jindong-myeon/진동면 631-812, Gyeongsangnam-do/경남, Masan-si/마산시, Gohyeonri yangdo/고현리 양도, GPS koordinate: 35.1248,128.49556