Coordonatele medii GPS cod poștal 350-851: 36.616, 126.582

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Orașe pe listă:
>> Galsan-myeon/갈산면 350-851, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Dongsanri/가곡리, coordonatele GPS: 36.61565,126.5824
>> Galsan-myeon/갈산면 350-851, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Gagokri/갈오리, coordonatele GPS: 36.61558,126.58233
>> Galsan-myeon/갈산면 350-851, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Garori/동산리, coordonatele GPS: 36.61568,126.58243
>> Galsan-myeon/갈산면 350-851, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Sinanri/신안리, coordonatele GPS: 36.61566,126.58241