Prosečne GPS koordinate za poštanski broj 300-0723: 35.951, 140.502
Spisak gradova:
>> Sakaijima 300-0723, Ibarakiken, Inashikigun'Azumamachi, GPS koordinate: 35.9512,140.502
Spisak gradova:
>> Sakaijima 300-0723, Ibarakiken, Inashikigun'Azumamachi, GPS koordinate: 35.9512,140.502