Laos Regions Attapu Bokeo Bolikhamxai Champasak Houaphan Kampheng Nakhon Viangchan Khammouan Khetphiset Xaisomboun Louangnamtha Louangphrabang Oudomxai Phongsali Savannakhet Viangchan Xaignabouli Xekong Xiangkhoang