Prosečne GPS koordinate za poštanski broj 156-820: 37.485, 126.974

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Spisak gradova:
>> Sadang 3(sam)-dong/사당3동 156-820, Seoul/서울, Dongjak-gu/동작구, 155/155, GPS koordinate: 37.48491,126.97424
>> Sadang 3(sam)-dong/사당3동 156-820, Seoul/서울, Dongjak-gu/동작구, 258-264/258-264, GPS koordinate: 37.48493,126.97426
>> Sadang 3(sam)-dong/사당3동 156-820, Seoul/서울, Dongjak-gu/동작구, 323-324/323-324, GPS koordinate: 37.48494,126.97427
>> Sadang 3(sam)-dong/사당3동 156-820, Seoul/서울, Dongjak-gu/동작구, San 24/산24, GPS koordinate: 37.48486,126.97419