Western Bhutan is the heartland of the Drukpa people and is home to the major airport, the capital, the most popular festivals and the most spectacular dzongs (fort-monastery) in the kingdom. The western circuit comprises of the six western Districts in the country that includes Thimphu, Paro, Haa, Wangdue Phodrang, Punakha and Gasa. This picturesque Paro region is one of the widest valleys in the kingdom. The rugged Black mountain range forms a barrier that seperates western Bhutan from the rest of the country. Western Bhutan is home to some of the country's finest museums. Paro museum (Tadzong), displays hundreds of artifacts revealing the history and culture of Bhutan and in Thimphu, Folk Heritage museum gives in-depth look into a typical farmers' livelihood. The places of tourist interest in Western Bhutan are Paro, Thimphu the capital and Punakha the old capital.