• Attapu Province

• Bokeo Province

• Bolikhamxai Province

• Champasak Province

• Houaphan Province

• Khammouan Province

• Louang Namtha Province

• Louangphabang Province

• Oudomxai Province

• Phongsali Province

• Salavan Province

• Savannakhet Province

• (unassigned)

• Vientiane Province

• Vientiane Prefecture

• Xaignabouli Province

• Xekong Province

• Xiangkhoang Province

• Xiasomboun Province