Cognomen چاچا (Jaja 
, چاچا 
) , all over the world, is a common last name. The surname چاچا is characteristic of North Macedonia, where it is quite a rare surname, Nigeria, and Albania. In absolute terms, it most frequently occurs in Nigeria, Indonesia, and Ethiopia. Likewise, چاچا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaja | Nigeria, Morocco, Ethiopia, Indonesia, India |
| چاچا | Saudi Arabia |