Kobiana (Cobiana) or Buy (Uboi) is a

Senegambian language The Senegambian languages, traditionally known as the Northern West Atlantic, or in more recent literature sometimes confusingly as the Atlantic languages, are a branch of Atlantic–Congo languages centered on Senegal, with most languages spoke ...

spoken in several villages of

Senegal Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 ...

and

Guinea-Bissau Guinea-Bissau ( ; pt, Guiné-Bissau; ff, italic=no, 𞤘𞤭𞤲𞤫 𞤄𞤭𞤧𞤢𞥄𞤱𞤮, Gine-Bisaawo, script=Adlm; Mandinka: ''Gine-Bisawo''), officially the Republic of Guinea-Bissau ( pt, República da Guiné-Bissau, links=no ), ...

. The language is referred to as ''gu-boy'' by its speakers. Speakers are shifting to Mandinka.Wilson, William André Auquier. 2007. ''Guinea Languages of the Atlantic group: description and internal classification''. (Schriften zur Afrikanistik, 12.) Frankfurt am Main: Peter Lang.

References

Senegambian languages Languages of Senegal Languages of Guinea-Bissau {{GuineaBissau-stub