Prosečne GPS koordinate za poštanski broj 57171: -7.565, 110.79

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Spisak gradova:
>> Baturan 57171, Central Java, Karanganyar, GPS koordinate: -7.53675,110.76219
>> Joyotakan 57171, Central Java, Surakarta, GPS koordinate: -7.59256,110.81827