Definition: East Africa (also known as Sub-Saharan Africa) refers to the geographic region that covers much of Africa's southernmost territory, with its western border on the Atlantic Ocean and its eastern border on the Indian Ocean. It includes parts of Somalia, Kenya, Uganda, Rwanda, Burundi, Tanzania, and the Democratic Republic of Congo. The term "East African" is used in many different ways, depending on the context: - As a noun, it refers to the sub-region within Africa that encompasses East Africa. For example, you might say "I went to East Africa University." - As an adjective, it describes something located in or related to East Africa. For instance, "East African coffee" refers to the type of coffee grown and processed in East Africa. The word "East Africa(n)" is derived from the name of the sub-region, which was coined by the United Nations to describe Africa's southernmost territory. It has been used as a general term for many areas within Africa, including East Asia, South Asia, Western Asia, and Southeast Asia. In terms of its definition, "East African" refers to the region that encompasses all or a significant portion of Eastern Africa (with the exception of Somalia), which is defined by a border with the Atlantic Ocean. The sub-region also includes parts of Uganda, Rwanda, Burundi, Tanzania, and the Democratic Republic of Congo. The term is not limited to specific countries but rather refers to the entire region as a whole. It's worth noting that "East African" can also refer to a broader geographic area in East Africa, such as Sub-Saharan Africa, which encompasses much of the continent.