Coordonatele medii GPS cod poștal 356-812: 36.676, 126.518

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Orașe pe listă:
>> Gobuk-myeon/고북면 356-812, Chungcheongnam-do/충남, Seosan-si/서산시, Gipori/기포리, coordonatele GPS: 36.67612,126.51753
>> Gobuk-myeon/고북면 356-812, Chungcheongnam-do/충남, Seosan-si/서산시, Namjeongri/남정리, coordonatele GPS: 36.67621,126.51762
>> Gobuk-myeon/고북면 356-812, Chungcheongnam-do/충남, Seosan-si/서산시, Sinsangri/신상리, coordonatele GPS: 36.67618,126.51759