Prosečne GPS koordinate za poštanski broj 301-0815: 35.9, 140.187
Spisak gradova:
>> Suubuna 301-0815, Ibarakiken, Ryuugasakishi, GPS koordinate: 35.9001,140.1872
Spisak gradova:
>> Suubuna 301-0815, Ibarakiken, Ryuugasakishi, GPS koordinate: 35.9001,140.1872