It is spoken in the northeast of Nok in Jaba Local Government Area (LGA), Kaduna State.
The speakers prefer to spell the name of their language as Kyoli, which is pronounced [kjoli] or [çjoli].
There are about 7,000-8,000 Kyoli speakers living in the two village clusters of Hal-Kyoli and Bobang.
[1] Cori is known for having six distinct levels of tone, too many to transcribe using the International Phonetic Alphabet, which allows five.
However, there are only three underlying tones: 1 (top), 4 (mid), and 6 (bottom), which are all that need to be written for literacy.