The 14,700 Boin of Guinea are commonly regarded as a sub-group of the Tenda. They are located in the Koundara region and around Youkounkoun, extending to the border of Senegal . Their language, also known as Boin, is a member of the Niger-Congo language family. The various peoples of this region of Africa are collectively known as the Sene-Gambians because most reside in Senegal and Gambia . Some, however, live in Guinea, Mali , and Mauritania .
Guinea is composed of many diverse ethnic groups.
The other major peoples belong to the Mande group. Like most of the people of Guinea, the Boin are farmers. They grow a variety of crops, using very basic tools. Maize, manioc and rice are the staples, but squash, melons, sweet potatoes, peppers, and tomatoes are also grown. Major tree crops include bananas, coconuts, mangoes, and papayas.