| Name | Population | Latitude/Longitude |
| 1 | Vientiane , Vientiane Prefecture |
196,731 |
17.967 / 102.6 |
| 2 | Savannakhet , Savannakhet Province |
125,760 |
16.57 / 104.762 |
| 3 | Pakse , Champasak Province |
88,332 |
15.12 / 105.799 |
| 4 | Thakhek , Khammouane Province |
85,000 |
17.41 / 104.831 |
| 5 | Ban Napè, Bolikhamsai |
63,268 |
18.305 / 105.072 |
| 6 | Luang Prabang , Luang Prabang Province |
47,378 |
19.893 / 102.153 |
| 7 | Xam Nua , Houaphan |
46,800 |
20.416 / 104.045 |
| 8 | Muang Phônsavan, Xiangkhoang |
37,507 |
19.449 / 103.192 |
| 9 | Sekong , Xékong |
35,000 |
15.346 / 106.724 |
| 10 | Ban Xénô, Savannakhet Province |
25,135 |
16.676 / 104.988 |
| 11 | Muang Xay , Oudômxai |
25,000 |
20.692 / 101.984 |
| 12 | Vang Vieng , Vientiane |
25,000 |
18.924 / 102.448 |