Udomsai

Oudomxay (alternates: Oudômxai or Moung Xai; Lao: ອຸດົມໄຊ, pronounced [ʔú.dòm.sáj]) is a province of Laos, located in the northwest of the country. Its capital is Muang Xai. It covers an area of 15,370 square kilometres (5,930 sq mi). It borders China to the north, Phongsali province to the northeast, Luang Prabang province to the east and southeast, Xaignabouli province to the south and southwest, Bokeo province to the west, and Luang Namtha province to the northwest. Its topography is mountainous, between 300–1,800 metres (980–5,910 ft) above sea level.

Besides rice, other local crops are corn, soybeans, fruits, vegetables, cassava (maniok), sugarcane, tobacco, cotton wool, tea and peanuts. In 2004, approximately 10,000 tons of sugarcane and 45,000 tons of corn were produced there.