Prosečne GPS koordinate za poštanski broj 704-8131: 34.641, 134.065
Spisak gradova:
>> Naganuma 704-8131, Okayamaken, Okayamashi, GPS koordinate: 34.6413,134.0654
Spisak gradova:
>> Naganuma 704-8131, Okayamaken, Okayamashi, GPS koordinate: 34.6413,134.0654