Prosečne GPS koordinate za poštanski broj 300-1251: 35.992, 140.123
Spisak gradova:
>> Shiroyama 300-1251, Ibarakiken, Tsukubashi, GPS koordinate: 35.9919,140.123
Spisak gradova:
>> Shiroyama 300-1251, Ibarakiken, Tsukubashi, GPS koordinate: 35.9919,140.123