Eritrea ĕrĭtrēˈə [key], officially State of Eritrea, republic (2021 est. pop. 3,616,635), c.48,000 sq mi (124,320 sq km), NE Africa. It is bordered on the northeast by the Red Sea, on the southeast by Djibouti, on the south by Ethiopia, and on the northwest by Sudan. Eritrea also includes the many islands of the Dahlak Archipelago, which is located in the Red Sea. Asmara is the capital and largest city. Other cities include Aseb and Massawa, Eritrea's chief ports.

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