History: In 1962-1975 this province named eastern province. The location of province was at Bantok village of Lamam district.

In 1976 it was combined together with Salavanh until 1984 and it has been divided from Salavanh province again to be a Sekong province till now.

Sekong, the best known for the Bolaven Plateau is situated in the heart of the southeastern part of Laos ; has common borders with Salavanh to the west, Champasack and Attapeu to the south and Vietnam to the east. The province has a total population of around 64,200. Sekong province is rugged, wild and very scenic, but transportation is very difficult, especially by land in the rainy season. Dotted through out are villages and small towns; such as Lave, Lanam, Kaleum, Dakchung and Thateng, where the majority of people follow and the unchanging lifestyle of traditional farming. Overall, the Sekong river valley is characterized by a landscape of a fertile plain patterned with a patchwork of rice paddies and fruits orchard. It's also a complex geographical conditions form colorful Eco-Tourism resources because it's famous by rich of untouchable tropical forest, home to many rare species of flora and fauna.