Prosečne GPS koordinate za poštanski broj 210-821: 37.69, 128.941

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Spisak gradova:
>> Gangdong-myeon/강동면 210-821, Gangwon-do/강원, Gangreung-si/강릉시, Eonbyeolli/모전리, GPS koordinate: 37.69012,128.94069
>> Gangdong-myeon/강동면 210-821, Gangwon-do/강원, Gangreung-si/강릉시, Mojeonri/상시동리, GPS koordinate: 37.69014,128.94071
>> Gangdong-myeon/강동면 210-821, Gangwon-do/강원, Gangreung-si/강릉시, Sangsidongri/언별리, GPS koordinate: 37.69017,128.94074