Prosečne GPS koordinate za poštanski broj 309-1736: 36.38, 140.243
Spisak gradova:
>> Yakumo 309-1736, Ibarakiken, Nishiibarakiguntomobemachi, GPS koordinate: 36.3798,140.2431
Spisak gradova:
>> Yakumo 309-1736, Ibarakiken, Nishiibarakiguntomobemachi, GPS koordinate: 36.3798,140.2431