2nd Grochow Uhlan Regiment
The 2nd Grochów Uhlan Regiment of General Jozef Dwernicki (Polish: 2 Pułk Ułanów Grochowskich im. Generała Józefa Dwernickiego, 2 puł) was a cavalry regiment of Polish I Corps in Russia, Polish Army in the Second Polish Republic, and the Home Army during Operation Tempest (1944).
Source: Wikipedia — 2nd Grochow Uhlan Regiment (CC BY-SA 4.0)