Chad Administrative Divisions

What is the hierarchy of administrative divisions in Chad?

Chad operates on a 3‑level system starting with 23 regions, then departments, and sub-prefectures as the smallest administrative units.

Here’s a breakdown of the hierarchy:

1. Regions: Chad is divided into 23 regions.

2. Departments: Regions are subdivided into departments.

3. Sub-prefectures: These are the smallest administrative units, often found within departments.

List of Chad's administrative divisions with their counts and names

These are the summarized administrative divisions. The full dataset is available in the Download Center.

isocountryadmin level 1admin level 2admin level 3admin level 4
TDChadBahr el Gazel (Region)3 Departments3 Sub-prefecturesThis level doesn’t exist for this country.
TDChadBatha (Region)3 Departments15 Sub-prefecturesThis level doesn’t exist for this country.
TDChadBorkou (Region)2 Departments1 Sub-prefectureThis level doesn’t exist for this country.
TDChadChari-Baguirmi (Region)3 Departments11 Sub-prefecturesThis level doesn’t exist for this country.
TDChadEnnedi Est (Region)2 Departments1 Sub-prefectureThis level doesn’t exist for this country.
TDChadEnnedi Ouest (Region)3 Departments1 Sub-prefectureThis level doesn’t exist for this country.
TDChadGuera (Region)4 Departments21 Sub-prefecturesThis level doesn’t exist for this country.
TDChadHadjer-Lamis (Region)3 Departments10 Sub-prefecturesThis level doesn’t exist for this country.
TDChadKanem (Region)3 Departments11 Sub-prefecturesThis level doesn’t exist for this country.
TDChadLac (Region)4 Departments2 Sub-prefecturesThis level doesn’t exist for this country.
TDChadLogone Occidental (Region)4 Departments28 Sub-prefecturesThis level doesn’t exist for this country.
TDChadLogone Oriental (Region)6 Departments39 Sub-prefecturesThis level doesn’t exist for this country.
TDChadMandoul (Region)3 Departments32 Sub-prefecturesThis level doesn’t exist for this country.
TDChadMayo-Kebbi Est (Region)4 Departments30 Sub-prefecturesThis level doesn’t exist for this country.
TDChadMayo-Kebbi Ouest (Region)3 Departments18 Sub-prefecturesThis level doesn’t exist for this country.
TDChadMoyen-Chari (Region)3 Departments24 Sub-prefecturesThis level doesn’t exist for this country.
TDChadN'Djamena (Region)1 Department4 Sub-prefecturesThis level doesn’t exist for this country.
TDChadOuaddai (Region)3 Departments16 Sub-prefecturesThis level doesn’t exist for this country.
TDChadSalamat (Region)3 Departments16 Sub-prefecturesThis level doesn’t exist for this country.
TDChadSila (Region)2 Departments18 Sub-prefecturesThis level doesn’t exist for this country.
TDChadTandjile (Region)3 Departments27 Sub-prefecturesThis level doesn’t exist for this country.
TDChadTibesti (Region)2 Departments7 Sub-prefecturesThis level doesn’t exist for this country.
TDChadWadi Fira (Region)4 Departments27 Sub-prefecturesThis level doesn’t exist for this country.

Why is building an Administrative Divisions Database complex?

The complexity arises from inconsistent global standards, frequent boundary changes, non-uniform naming conventions (e.g., “suburb” in Australia vs. “county” in the US), and variations in administrative levels across countries. Integrating and harmonizing data from multiple sources requires advanced normalization, versioning, and geospatial validation techniques.

How does GeoPostcodes solve the problem for you?

Our standardized database overcomes the complexity of different administrative division
systems worldwide. Our database follows a unified structure that you can integrate
seamlessly into your system or platform of choice without needing to become an expert in
each country’s unique administrative hierarchy.

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