Gjennomsnittlig GPS-koordinater for postnummer 340-853: 36.545, 126.755

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Notering byer:
>> Gwangsi-myeon/광시면 340-853, Chungcheongnam-do/충남, Yesan-gun/예산군, Eunsari/광시리, GPS-koordinater: 36.5448,126.75505
>> Gwangsi-myeon/광시면 340-853, Chungcheongnam-do/충남, Yesan-gun/예산군, Gwangsiri/노전리, GPS-koordinater: 36.5447,126.75495
>> Gwangsi-myeon/광시면 340-853, Chungcheongnam-do/충남, Yesan-gun/예산군, Hajangdaeri/운산리, GPS-koordinater: 36.54481,126.75506
>> Gwangsi-myeon/광시면 340-853, Chungcheongnam-do/충남, Yesan-gun/예산군, Nojeonri/은사리, GPS-koordinater: 36.54479,126.75504
>> Gwangsi-myeon/광시면 340-853, Chungcheongnam-do/충남, Yesan-gun/예산군, Unsanri/하장대리, GPS-koordinater: 36.54474,126.75499