Average GPS coordinates for Định An Postcode location: 10.32, 105.525. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Định An on map:

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Listing cities & postcodes (1):
>> Đồng Tháp, 870000 Định An, Đồng Bằng Sông Cửu Long, GPS coordinates: 10.31994,105.52481