In the entire world, Zaha (Zaha 
, زها 
, ザハ 
, among others...) is quite a rare epicene forename. The first name Zaha is characteristic of Libya, where it is quite a rare girly name, Moldova, and Morocco, where it is a rare unisex name. Not in comparison with a country's population, it is the most numerous in Morocco, Saudi Arabia, and Algeria. Likewise, Zaha is the last name as well as the forename.