CHDA serves the English-speaking countries of sub-Saharan Africa. Its sister organization, EPA, covers French-speaking countries of sub-Saharan Africa. Together they cover the Portugese-speaking countries.
The countries covered by CHDA are:
Angola
Botswana
Djibouti
Ethiopia
Eritrea
The Gambia
Ghana
Kenya
Lesotho
Liberia
Namibia
Nigeria
Malawi
Mauritius
Mozambique
Seychelles
Seirra Leone
Somalia
South Africa
Sudan
Swaziland
Tanzania
Uganda
Zambia
Zimbabwe