ISO 3166-2:LA is the entry for Laos in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.
Currently for Laos, ISO 3166-2 codes are defined for 1 prefecture and 17 provinces.
Each code consists of two parts, separated by a hyphen. The first part is, the ISO 3166-1 alpha-2 code of Laos. The second part is two letters.
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA).
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| Code | Subdivision name (lo) (1965) | Local variant | Subdivision category | |
|---|---|---|---|---|
| Attapu | Attapeu | province | ||
| Bokèo | province | |||
| Bolikhamxai | Borikhamxay | province | ||
| Champasak | Champasack | province | ||
| Houaphan | Huaphanh | province | ||
| Khammouan | Khammuane | province | ||
| Louang Namtha | Luangnamtha | province | ||
| Louangphabang | Luangprabang | province | ||
| Oudômxai | Oudomxay | province | ||
| Phôngsali | Phongsaly | province | ||
| Salavan | Saravane | province | ||
| Savannakhét | Savannakhet | province | ||
| Viangchan | Vientiane | province | ||
| Viangchan | Vientiane | prefecture | ||
| Xaignabouli | Xayabury | province | ||
| Sekong | province | |||
| Xiangkhouang | Xiengkhuang | province | ||
| Xaisômboun | Xaysomboon | province |
The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998:
| Newsletter | Date issued | Description of change in newsletter | Code/Subdivision change | |
|---|---|---|---|---|
| One new province added. One new reference for the list source. One code source cancelled. Information on romanization system updated. Origin of names in brackets given | style=white-space:nowrap | Subdivisions added: Xaisômboun | ||
| Error correction: Generic name of one subdivision changed to "special zone" |