Prosečne GPS koordinate za poštanski broj 250-811: 37.793, 127.904

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Spisak gradova:
>> Hwachon-myeon/화촌면 250-811, Gangwon-do/강원, Hongcheon-gun/홍천군, Guseongpori/구성포리, GPS koordinate: 37.79253,127.90432
>> Hwachon-myeon/화촌면 250-811, Gangwon-do/강원, Hongcheon-gun/홍천군, Pungcheonri/풍천리, GPS koordinate: 37.7925,127.90429