It is spoken mostly in the south-east area of the Democratic Republic of the Congo by the Luba people.
[3] Kiluba is spoken in the area around Kabongo, Kamina, Luena, Lubudi, Malemba Nkulu, Mulongo, Kabalo and Kaniama, mostly in Katanga.
The two groups of people have distinct historical origins according to their oral traditions and history.
Vowels: A E I O U Consonants: B D F G H J K L M N P S T V W Y Z A five vowel system with vowel length is present in Luba-Katanga: Sample text in Luba-Katanga- Pādi palembwe amba mwingidi wa “Tattannu, muledi wa Bukila bwa Munonga” —ko kunena’mba i enka Tatenai utelelwe ne mu mukanda wa mu Bible wa Ezela.
Translation It identifies a witness to the transaction as a servant of “Tattannu, governor of Across-the-River” —the same Tattenai who appears in the Bible book of Ezra.