Born in Mouzaki, Krios began playing youth football for Olympiacos F.C.
during 1993, making 50 Alpha Ethniki appearances for the club in two seasons,[1][2] the latter resulting in relegation to the second division.
[4] Edessaikos were relegated and Krios began the 1997–98 season with the club in the second division.
[5] Next, Krios moved to Spain, where he played club football for Ponferradina and Ceuta over the next 10 seasons.
Following his playing career, Krios stayed in Spain and plans to become a coach.