Prosečne GPS koordinate za poštanski broj 134-777: 37.533, 127.142

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Spisak gradova:
>> Dunchon 2(i)-dong/둔촌2동 134-777, Seoul/서울, Gangdong-gu/강동구, Hyeondae 1 chaapateu 10-14/현대1차아파트 10-14, GPS koordinate: 37.53327,127.14188
>> Dunchon 2(i)-dong/둔촌2동 134-777, Seoul/서울, Gangdong-gu/강동구, Hyeondae 4 chaapateu 101-102/현대4차아파트 101-102, GPS koordinate: 37.53337,127.14198