Câmpia Turzii (Romanian pronunciation: [kɨmˌpi.a ˈturzij]; German: Jerischmarkt; Hungarian: Aranyosgyéres) is a municipality in Cluj County, Transylvania, Romania, which was formed in 1925 by the union of two villages, Ghiriș (Aranyosgyéres) and Sâncrai (Szentkirály).

The city is located in the southeastern part of the county, on the right bank of the Arieș River, at a distance of 6.7 km (4.2 mi) from Turda and 40.6 km (25.2 mi) from the county seat, Cluj-Napoca.

The village of Sâncrai was mentioned in a 1219 document as "villa Sancti Regis" ("village of Holy King"),[3] while Ghiriș was first documented in 1292 as "Terra Gerusteleke" ("Gerusteleke", literally meaning "plot of Gerus" in Hungarian).

Michael the Brave was murdered by agents of Giorgio Basta at the current location of Câmpia Turzii on 9 August 1601.

F-15s from RAF Lakenheath in the United Kingdom flew out during the summit to augment air defence forces for the event.