First held in 1974 under the name INA Delta TLX Rally and quickly grew to become a national championship event in the former Yugoslavia.
Incorporated into the European Championship in 1986 and, after moving to Zagreb, it rose through the ranks to reach the top level of the European series in 2007.
Economic recession prompted a relocation to Rijeka and then Istria.
Roll of honour is topped by Slovenia’s Branislav Kuzmič with five wins, followed by home country driver Juraj Šebalj with four.
