Oudomxay is populated by over 300,000 people from some 23 ethnic groups, mainly Hmong, Akha and Khmu. It borders China to the North, Sayabouly to the South, Luang Prabang and Phongsaly to the East, and Luang Namtha to the West.
Due to its proximity to China, Oudomxay has experienced rapid economic growth and infrastructure developments, including improved road access to the provincial capital, Xay District. Oudomxay also has outstanding natural sceneries that are worth visiting in the area, such as the Tad lak Sip Et, the Muang La District and the Phouxay Mountain.
