Prosečne GPS koordinate za poštanski broj 250-833: 37.751, 128.158

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Spisak gradova:
>> Seoseok-myeon/서석면 250-833, Gangwon-do/강원, Hongcheon-gun/홍천군, Eoronri/수하리, GPS koordinate: 37.75109,128.15836
>> Seoseok-myeon/서석면 250-833, Gangwon-do/강원, Hongcheon-gun/홍천군, Suhari/어론리, GPS koordinate: 37.75098,128.15825