23rd Infantry Division (23. Dywizja Piechoty) was a unit of the Polish Army in the interwar period (1921-1939). Created in 1921, its headquarters were stationed in Upper Silesian town of Tarnowskie Góry. Also, some other units were located in garrisons across the Polish part of Upper Silesia: * in Katowice - 73rd Infantry Regiment, * - 11rd Infantry Regiment * in Chorzów, Rybnik and Wielkie Hajduki - 75th Infantry Regiment, * in Żory and Będzin - 23rd Light Artillery Regiment. * in the structure of the division was "hide" "Fortres Grup" Colonel Klaczyński.