Military units and formations established in the 1920s

The Peshmerga () are the internal security forces of the Kurdistan Region. According to the Constitution of Iraq, federal regions (such as the Kurdistan Region) are responsible for "the establishment and organization of the internal security forces for the respective regions, such as police, security forces, and regional guards." Other security institutions of the Kurdistan Region include the Zêrevanî (gendarmerie), Asayish (security and counterterrorism service), Parastin u Zanyarî (intelligence agency) and the Kurdish police force. The modern Peshmerga were established in 1946 as the nationa