| City | Region | Country | Time Zone | Population | |
|---|---|---|---|---|---|
| Xam Nua | Houaphan | Laos | Indochina Time | 46,800 | |
| Viangxai | Houaphan | Laos | Indochina Time | -- | |
| Huameung | Houaphan | Laos | Indochina Time | -- | |
| Viengxay | Houaphan | Laos | Indochina Time | -- | |
| Xamtay | Houaphan | Laos | Indochina Time | -- | |
| Viengthong | Houaphan | Laos | Indochina Time | -- |
