Cognomen Гиак (Гиак ) , throughout the world, is an extremely rare family name. Much more frequently, Гиак is the forename as well as the last name.
Giak, Guiak, Gyak, Hiak, and Hyak
Бадоян
) , throughout the world, is an extremely rare family name. Much more frequently, Гиак is the forename as well as the last name.