Jászság ("Jaszygia", Latin: Jazigia) is a historical, ethnographical and geographical region in Hungary. Its 1,161 km2 (448 sq mi) territory is situated in the north-western part of the Jász-Nagykun-Szolnok county. The main town in the region is Jászberény. Jászság is inhabited by the Jassic people, an Iranian ethnic group whose linguistic base is preserved by the Ossetians. The population of the region is around 85,000.