Prosečne GPS koordinate za poštanski broj 503-818: 37.592, 126.694
Spisak gradova:
>> Seo 1(il)-dong/서1동 503-818, Gwangju/광주, Nam-gu/남구, 146-300/146-300, GPS koordinate: 37.59241,126.69408
>> Seo 1(il)-dong/서1동 503-818, Gwangju/광주, Nam-gu/남구, 79-120/79-120, GPS koordinate: 37.59242,126.69409
Spisak gradova:
>> Seo 1(il)-dong/서1동 503-818, Gwangju/광주, Nam-gu/남구, 146-300/146-300, GPS koordinate: 37.59241,126.69408
>> Seo 1(il)-dong/서1동 503-818, Gwangju/광주, Nam-gu/남구, 79-120/79-120, GPS koordinate: 37.59242,126.69409