Preah Vihear province
It borders the provinces of Oddar Meanchey and Siem Reap to the west, Kampong Thom to the south and Stung Treng to the east.Its northern boundary forms part of Cambodia's international border with Thailand and Laos.The province is named after the temple of Prasat Preah Vihear.The Dângrêk Mountains and the Cambodia/Thailand border are in the north of Preah Vihear province.Preah Vihear is one of the nine provinces that are part of the Tonle Sap Biosphere Reserve.