Průměrné GPS souřadnice pro psČ 487-831: 37.812, 127.249

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Seznam měst:
>> Naechon-myeon/내촌면 487-831, Gyeonggi-do/경기, Pocheon-si/포천시, Naeri/내리, GPS souřadnice: 37.81234,127.24902
>> Naechon-myeon/내촌면 487-831, Gyeonggi-do/경기, Pocheon-si/포천시, Sinpalli/소학리, GPS souřadnice: 37.81235,127.24903
>> Naechon-myeon/내촌면 487-831, Gyeonggi-do/경기, Pocheon-si/포천시, Sohakri/신팔리, GPS souřadnice: 37.81231,127.24899