Last name Gmar (Gmar 
, Гмарь 
) , in all the world, is quite a rare family name. The cognomen Gmar is characteristic of Tunisia, where it is quite a rare surname, Sudan, and Saudi Arabia, where it is a rare surname. Not in comparison with a country's population, it is commonest in Tunisia, Sudan, and Russia. Likewise, Gmar is the forename as well as the last name.