Surname Гаца (Gaca 
, Гаца 
, Gatsa 
) , in the world, is quite a rare family name. The last name Гаца is characteristic of Poland, where it is quite a rare surname, Bulgaria, and Angola. Not in comparison with a country's population, it most frequently occurs in Poland, Philippines, and Angola. Likewise, Гаца is the forename as well as the last name.