Average GPS coordinates for Sơn Diệm Postcode location: 18.491, 105.382. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Sơn Diệm on map:

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Listing cities & postcodes (1):
>> Hà Tĩnh, 480000 Sơn Diệm, Bắc Trung Bộ, GPS coordinates: 18.49125,105.38208