The United Kingdom of Lan Xang (Lao: ສະຫະປະຊາຊະອານາຈັກຂອງລ້ານຊ້າງ; Sahapasa Saoanachak Khong Lansang), commonly known as the Lao Kingdom, UKL, Lao or less commonly Laos is an empire in southeast Asia, bordered by British Burma, South Burma and China to the northwest, Vietnam to the east, Cambodia to the south, and Thailand to the west. The population was estimated at about 30,000,000 in 2013.