Texas Subcategories This category has the following 17 subcategories, out of 17 total. Districts of Laos by province (15 C)A Geography of Attapeu province (1 C, 6 P)B Geography of Bokeo province (1 C, 2 P) Geography of Bolikhamsai province (1 C, 4 P)C Geography of Champasak province (1 C, 6 P)H Geography of Houaphanh province (1 C, 3 P)K Geography of Khammouane province (1 C, 11 P)L Geography of Luang Namtha province (1 C, 1 P) Geography of Luang Prabang province (1 C, 6 P)O Geography of Oudomxay province (1 C, 1 P)P Geography of Phongsaly province (1 C, 1 P)S Geography of Sainyabuli province (3 P) Geography of Salavan province (1 C, 1 P) Geography of Savannakhet province (1 C, 4 P) Geography of Sekong province (1 C, 2 P)V Geography of Vientiane province (7 P)X Geography of Xiangkhouang province (1 C, 6 P)