| Name | Population | Latitude/Longitude |
| 1 | Vientiane, Viangchan |
196,731 |
17.967 / 102.6 |
| 2 | Pakxé, Champasak |
88,332 |
15.117 / 105.783 |
| 3 | Savannakhét, Savannahkhét |
66,553 |
16.566 / 104.751 |
| 4 | Louangphabang, Louangphabang |
47,378 |
19.886 / 102.135 |
| 5 | Xam Nua, Houaphan |
38,992 |
20.42 / 104.044 |
| 6 | Ban Phônsavan, Xiangkhoang |
37,507 |
19.459 / 103.18 |
| 7 | Thakhèk, Khammouan |
26,200 |
17.41 / 104.831 |
| 8 | Muang Xai, Oudômxai |
25,000 |
20.7 / 101.983 |
| 9 | Muang Vangviang, Khouèng Viangchan |
25,000 |
18.933 / 102.45 |
| 10 | Muang Pakxan, Bolikhamxai |
21,967 |
18.378 / 103.66 |