Xiangkhouang Province
Vientiane Province is a large province, covering an area of with 10 districts. The province borders Luang Prabang Province to the north, Xiangkhouang Province to the northeast, Bolikhamxai Province to the east, Vientiane Prefecture and Thailand to the south, and Xaignabouli Province to the west. The principal towns are Vang Vieng and Muang Phôn-Hông. Vang Vieng is connected to Vientiane, roughly by road to the south and Luang Prabang to the northwest by Route 13, the most important highway in the province, followed by Route 10. Most of the population of the province lives in the towns and villages along and near Route 13. From the south to the north these include Ban Phonsoung, Ban Saka and Toulakhom (along Route 10 east of Route 13), Ban Nalao, Ban Nong Khay, Ban Keng Kang, Ban Vang Khay, Ban Houay Pamon, Ban Namone, Vang Vieng, Ban Nampo, Ban Phatang, Ban Bome Phek, Ban Thieng, Muang Kasi and Ban Nam San Noi near the border with Xiangkhouang Province.