Average GPS coordinates for Cao Sơn Postcode location: 18.902, 105.177. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Cao Sơn on map:

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Listing cities & postcodes (1):
>> Nghệ An, 460000 Cao Sơn, Bắc Trung Bộ, GPS coordinates: 18.90174,105.17686