Průměrné GPS souřadnice pro psČ 331-808: 36.878, 127.155

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Seznam měst:
>> Seonghwan-eup/성환읍 331-808, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, Sinbangri/신방리, GPS souřadnice: 36.87817,127.15519
>> Seonghwan-eup/성환읍 331-808, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, Usinri/와룡리, GPS souřadnice: 36.87818,127.1552
>> Seonghwan-eup/성환읍 331-808, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, Wangrimri/왕림리, GPS souřadnice: 36.87817,127.15519
>> Seonghwan-eup/성환읍 331-808, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, Waryongri/우신리, GPS souřadnice: 36.87822,127.15524