Viengxay district ເມືອງວຽງໄຊ | |
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 Interactive map of Viengxay district | |
| Country | Laos |
| Province | Houaphanh |
| Time zone | UTC+7 (ICT) |
Viengxay is a district ( muang ) of Houaphanh province in northeastern Laos. [1] It is home to the Viengxay Caves, the Nam Et National Biodiversity Conservation Area, [2] and Phou Pha Thi mountain, site of the Secret War Battle of Lima Site 85 (LS-85) 11 March 1968.
Localities within the district include:
