Average GPS coordinates for Đại Sơn Postcode location: 18.832, 105.465. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Đại Sơn on map:

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Listing cities & postcodes (1):
>> Nghệ An, 460000 Đại Sơn, Bắc Trung Bộ, GPS coordinates: 18.83181,105.46511