Průměrné GPS souřadnice pro psČ 330-891: 36.746, 127.206

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Seznam měst:
>> Seongnam-myeon/성남면 330-891, Chungcheongnam-do/충남, Dongnam-gu Cheonan-si/천안시 동남구, Daejeongri/대정리, GPS souřadnice: 36.74633,127.20623
>> Seongnam-myeon/성남면 330-891, Chungcheongnam-do/충남, Dongnam-gu Cheonan-si/천안시 동남구, Seokgokri/석곡리, GPS souřadnice: 36.74633,127.20623
>> Seongnam-myeon/성남면 330-891, Chungcheongnam-do/충남, Dongnam-gu Cheonan-si/천안시 동남구, Yongwonri/용원리, GPS souřadnice: 36.74633,127.20623