The Chichimeca Jonaz, also known as Uza, live mainly in Guanajuato and San Luis Potosi. Mision de Chichimecas in Guanajuato is especially associated with this people and remains an important point of reference for their identity.

For learners, the Chichimeca Jonaz help explain the Indigenous history of north-central Mexico and the broad historical term Chichimeca. They are a living people, not just a historical label, and they show how Indigenous identity continues in regions often associated with colonial mining towns and central Mexican history.