占巴塞
This city was founded by the French as an administrative outpost in 1905, and was formerly the capital of the Lao Kingdom of Champasak until 1946 when the Kingdom of Laos was formed. During the Franco-Thai war the French ceded Preah Vihear Province from Cambodia and the cis-Mekong part of Champasak Province opposite Pakse from Laos to Thailand.