>
Last name Sysak (Sysak , Сисак , Сысак ) , globally, is quite a rare cognomen. The surname Sysak is characteristic of Armenia, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Laos. Not in comparison with a country's population, it is commonest in Ukraine, Armenia, and Russia. Much less frequently, Sysak is the forename as well as the last name.