Cognomen Chachak (Chachak , Чачак ) , all over the world, is an extremely rare family name. Much more frequently, Chachak is the forename as well as the last name.
Хачак, and Шашак
Dei, Raut, Dhal, Swain, Barik, Nayak, Behera, Biswal, and Khatua
, Чачак 
) , all over the world, is an extremely rare family name. Much more frequently, Chachak is the forename as well as the last name.