Born in Larissa, Kolovetsios began playing football with his boyhood football club Larissa, and then transferred on July 2012 to Super league side PAS Giannina.
Born in Larissa, Kolovetsios began playing football with his boyhood football club Larissa, where he played a total 41 games scoring 2 goals. In 2012, Kolovetsios transferred to Super league side PAS Giannina.