Cognomen Zhaka (Zhaka 
, Жака 
) , across the world, is a rare surname. The family name Zhaka is habitual in Albania, where it is quite a rare surname, Greece, where it is a rare surname, and Georgia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Albania, Indonesia, and Greece. Also, Zhaka is the forename as well as the last name.