Prosečne GPS koordinate za poštanski broj 300-0311: 36.03, 140.259
Spisak gradova:
>> Shimadu 300-0311, Ibarakiken, Inashikigun'Amimachi, GPS koordinate: 36.0296,140.2588
Spisak gradova:
>> Shimadu 300-0311, Ibarakiken, Inashikigun'Amimachi, GPS koordinate: 36.0296,140.2588