Prosečne GPS koordinate za poštanski broj 731-2431: 34.733, 132.242
Spisak gradova:
>> Koujinbara 731-2431, Hiroshimaken, Yamagatagungeihokuchou, GPS koordinate: 34.7328,132.2416
Spisak gradova:
>> Koujinbara 731-2431, Hiroshimaken, Yamagatagungeihokuchou, GPS koordinate: 34.7328,132.2416