Prosečne GPS koordinate za poštanski broj 668-840: 34.796, 128.01
Spisak gradova:
>> Samdong-myeon/삼동면 668-840, Gyeongsangnam-do/경남, Namhae-gun/남해군, GPS koordinate: 34.79559,128.0103
Spisak gradova:
>> Samdong-myeon/삼동면 668-840, Gyeongsangnam-do/경남, Namhae-gun/남해군, GPS koordinate: 34.79559,128.0103