Prosečne GPS koordinate za poštanski broj 210-841: 37.713, 128.836

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Spisak gradova:
>> Seongsan-myeon/성산면 210-841, Gangwon-do/강원, Gangreung-si/강릉시, Gusanri/관음리, GPS koordinate: 37.71275,128.8362
>> Seongsan-myeon/성산면 210-841, Gangwon-do/강원, Gangreung-si/강릉시, Gwaneumri/구산리, GPS koordinate: 37.71278,128.83623
>> Seongsan-myeon/성산면 210-841, Gangwon-do/강원, Gangreung-si/강릉시, Sanbukri/산북리, GPS koordinate: 37.71279,128.83624