Keskmine GPS koordinaadid postiindeks 343-853: 37.002, 126.534
videod linnad:
>> Seokmun-myeon/석문면 343-853, Chungcheongnam-do/충남, Dangjin-gun/당진군, Sambongri/삼봉리, GPS koordinaadid: 37.00242,126.53378
videod linnad:
>> Seokmun-myeon/석문면 343-853, Chungcheongnam-do/충남, Dangjin-gun/당진군, Sambongri/삼봉리, GPS koordinaadid: 37.00242,126.53378