Busa, or Bisã, is the Mande language of the former Borgu Emirate in northwestern Nigeria and northern Benin.
A number of Busa have migrated to other parts of Nigeria, including Abuja.
The Bokobaru dialect also known as Bokhobaru is spoken mainly in Kayama and Baruten LGA's, Kwara state.
Busa language is spoken in cities like Bussa, New Bussa, Bagudo, Kosubosu, Kaiama, Segbana, and Kalalé, and Bokobaru is dominant in the city of Kaiama.
Busa language has 32 letters (Aa, Ãã, Bb, Cc, Dd, Ee, Ɛɛ, Ɛ̃ɛ̃, Ff, Gg, Hh, Ii, Ĩĩ, Jj, Kk, Ll, Mm, Nn, Oo, Ɔɔ, Ɔ̃ɔ̃, Pp, Rr, Ss, Tt, Uu, Ũũ, Vv, Ww, Yy, Zz) and 25 digraphs (Aa aa, Ãa ãa, Ee ee, Ẽe ẽe, Ɛɛ ɛɛ, Ɛ̃ɛ ɛ̃ɛ, Gb gb, Ii ii, Ĩi ĩi, Kp kp, Oo oo, Ɔ̃ɔ ɔ̃ɔ, Uu uu, Ũu ũu, gw, mb, mp, nd, ng, nk, ns, nt, nz).