ISO 3166-2:ST
ISO 3166-2:ST is the entry for São Tomé and Príncipe 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 São Tomé and Príncipe, ISO 3166-2 codes are defined for one autonomous region and six Districts of [São Tomé and Príncipe|districts]. Each code consists of two parts separated by a hyphen. The first part is, the ISO 3166-1 alpha-2 code of São Tomé and Príncipe. The second part is a letter for an autonomous region or two digits for a district.
Current codes
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency.| Code | Subdivision name | Subdivision category |
| Água Grande | district | |
| Cantagalo | district | |
| Caué | district | |
| Lembá | district | |
| Lobata | district | |
| Mé-Zóchi | district | |
| Príncipe | autonomous region |
Changes
The following changes to the entry have been announced by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998:| Effective date | Short description of change |
| 2020-11-24 | Deletion of province ST-S; Change of subdivision category from province to autonomous region for ST-P; Addition of district ST-01, ST-02, ST-03, ST-04, ST-05, ST-06; Update List Source |