Prosečne GPS koordinate za poštanski broj 121-883: 37.545, 126.912

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Spisak gradova:
>> Hapjeong-dong/합정동 121-883, Seoul/서울, Mapo-gu/마포구, 1-358/1-358, GPS koordinate: 37.5453,126.91183
>> Hapjeong-dong/합정동 121-883, Seoul/서울, Mapo-gu/마포구, 401-414/401-414, GPS koordinate: 37.5452,126.91173
>> Hapjeong-dong/합정동 121-883, Seoul/서울, Mapo-gu/마포구, 466/466, GPS koordinate: 37.54523,126.91176
>> Hapjeong-dong/합정동 121-883, Seoul/서울, Mapo-gu/마포구, 470/470, GPS koordinate: 37.54524,126.91177