Average GPS coordinates for Hoà An Postcode location: 9.902, 105.445. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Hoà An on map:

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Listing cities & postcodes (1):
>> Kiên Giang, 920000 Hoà An, Đồng Bằng Sông Cửu Long, GPS coordinates: 9.90153,105.44529