Phongsaly Province is a province of Laos in the extreme north of the country. The capital of the province is the city of Phôngsali. Phongsaly is between Yunnan (China), and Điện Biên Province in Vietnam. Its culture has thus been historically heavily influenced by China.
Phongsaly Province covers an area of 16,270 square kilometers (6,280 sq mi), out of which 77% has forest cover. The province borders China to the north and west, Vietnam to the east, Luang Prabang Province to the south, and Oudomxai Province to the southwest. The highest mountain in the province is Phou Doychy with an elevation of 1,842 meters (6,043 ft) Protected areas in the province include the Phou Dene Din National Biodiversity Conservation Area and Nam Lan Conservation Area. Agriculture is the mainstay of the people of the province. Phongsaly is the primary trade gateway between Laos and China, exporting lumber and importing several types of finished goods.