Ngbundu is a minor
Ubangian language
The Ubangian languages form a diverse linkage of some seventy languages centered on the Central African Republic. They are the predominant languages of the CAR, spoken by 2–3 million people, and include the national language, Sango. They are ...
(Banda) of the Democratic Republic of the Congo.
References
Languages of the Democratic Republic of the Congo
Banda languages
{{Ubangian-lang-stub