In all the world, Хейдар (Heydar 
, Hejdar 
, Geidar 
) is quite a rare masculine forename. The first name Хейдар is characteristic of Georgia, where it is quite a rare masculine name, Somalia, and Azerbaijan. In absolute terms, the name is most common in Iran, Iraq, and Somalia. Very seldom, Хейдар is the last name as well as the forename.