ISO 3166-2:BT
ISO 3166-2:BT is the entry for Bhutan in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization, which defines codes for the names of the principal subdivisions of all countries coded in ISO 3166-1.
Currently for Bhutan, ISO 3166-2 codes are defined for 20 districts.
Each code consists of two parts, separated by a hyphen. The first part is, the ISO [3166-1 alpha-2] code of Bhutan. The second part is two digits, except Gasa and Trashi Yangtse, which use two letters instead. The first digit indicates the zone where the district is in:
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency.
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| Code | Subdivision name | Subdivision name |
| Bumthang | བུམ་ཐང་ | |
| Chhukha | ཆུ་ཁ་ | |
| Dagana | དར་དཀར་ན་ | |
| Gasa | མགར་ས་ | |
| Haa | ཧཱ་ | |
| Lhuentse | ལྷུན་རྩེ་ | |
| Monggar | མོང་སྒར་ | |
| Paro | སྤ་རོ་ | |
| Pema Gatshel | པད་མ་དགའ་ཚལ་ | |
| Punakha | སྤུ་ན་ཁ་ | |
| Samdrup Jongkhar | བསམ་གྲུབ་ལྗོངས་མཁར | |
| Samtse | བསམ་རྩེ་ | |
| Sarpang | གསར་སྤང་ | |
| Thimphu | ཐིམ་ཕུ་ | |
| Trashigang | བཀྲ་ཤིས་སྒང་ | |
| བཀྲ་ཤིས་གྱང་ཙེ་ | ||
| Trongsa | ཀྲོང་གསར་ | |
| Tsirang | རྩི་རང་ | |
| Wangdue Phodrang | དབང་འདུས་ཕོ་བྲང་ | |
| Zhemgang | གཞམས་སྒང་ |
; Notes
Changes
The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform:| Effective date of change | Short description of change |
| 2014-11-03 | Update List Source |
| 2015-11-27 | Update List Source |
| 2016-11-15 | Change of spelling of BT-13, BT-45; update list source |
| 2018-11-26 | Correction of the romanization system label |
| 2020-11-24 | Change of spelling of BT-43; Update List Source |