Average GPS coordinates for Lạng Sơn Postcode location: 18.96, 105.187. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Lạng Sơn on map:

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Listing cities & postcodes (1):
>> Nghệ An, 460000 Lạng Sơn, Bắc Trung Bộ, GPS coordinates: 18.96025,105.18734