Surname Blaža (Blaza 
, Blaža 
) , in the world, is quite a common family name. The family name Blaža is habitual in Philippines, where it is quite a rare surname, Qatar, and United Arab Emirates, where it is a rare surname. In absolute terms, it most frequently occurs in Philippines, Mexico, and Saudi Arabia. Much less frequently, Blaža is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blaza | Mexico, Saudi Arabia, Serbia, Egypt, Philippines |
| Blaža | Croatia |