Website listings of interest to users in Laos. Browse top quality websites in this TopWeb.Directory category. Laos is a country in Southeast Asia with the capital at Vientiane. The country surface is: 236,800 sq km. Border countries and border surface: Burma 235 km, Cambodia 541 km, China 423 km, Thailand 1,754 km, Vietnam 2,130 km. Languages: Lao (official), French, English, various ethnic languages.