Čret Bisaški is located in the municipality Breznica, in Varaždin County at an elevation of 147 meters above sea level and it covers the area of 0.57 km² (0.22 sq. miles). According to the 2011 census report, there were 18 inhabitants. It is entirely populated by Croats. Nearby places: Borenec, Jarek Bisaški, Podvorec, Jales Breznički, Bisag, Mirkovec Breznički, Vinično, Tkalec, Breznica and Drašković.