ISO 3166-2:TD

ISO 3166-2:TD is the entry for Chad 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 Chad, ISO 3166-2 codes are defined for 23 provinces (mintaqah ).

Each code consists of two parts, separated by a hyphen. The first part is TD, the ISO 3166-1 alpha-2 code of Chad. The second part is two letters.

Current codes
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA).

ISO 639-1 codes are used to represent subdivision names in the following administrative languages:
 * (ar): Arabic
 * (fr): French

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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. ISO stopped issuing newsletters in 2013.

Codes before Newsletter I-8
Note: Many of the former prefectures share the same code and name with the current regions.