Average GPS coordinates for Bayan Postcode location: -7.721, 109.94. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Bayan on map:

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Listing cities & postcodes (3):
>> Central Java, 54152 Bayan, Purworejo, GPS coordinates: -7.72124,109.93975
>> Central Java, 54224 Bayan, Purworejo, GPS coordinates: -7.72126,109.93973
>> Central Java, 54252 Bayan, Purworejo, GPS coordinates: -7.72122,109.93977