Greek basketball league system

The Greek basketball league system or Greek basketball league pyramid, is a series of interconnected competitions for professional basketball clubs in Greece. The system has a hierarchical format with a promotion and relegation system between competitions at different levels. There are currently eight different competitions on the pyramid: the 1st-tier Greek Basket League, the 2nd-tier Greek A2 Basket League, the 3rd-tier Greek B Basket League, the 4th-tier Greek C Basket League, the 5th-tier ESKA A Category, the 6th-tier ESKA B Category, the 7th-tier ESKA C Category, and the 8th-tier ESKA D Category.