noun
Republic of Chad
Official country name; used in formal contexts, news, and geography.
チャド共和国はアフリカ中央部に位置する内陸国です。
The Republic of Chad is a landlocked country in central Africa.
チャド is the short, everyday name for the country; チャド共和国 is the formal, full official name.
From English 'Chad' + 共和国 (republic). The name 'Chad' is derived from Lake Chad.