A total of 69 teams are expected at the Croatia Rally route which will include local roads around Plešivica, Žumberak, and Karlovac and Krapina-Zagorje counties, while the initial special stage will be in Zagreb, the organisers said.
The event will be broadcast live to more than 150 countries worldwide.
The audience in Croatia can watch it on the national HRT broadcaster and the Arena Sport channel as well as on the WRC+ broadcaster.
A WRC service park has been set up on the Zagreb Fair (ZV) compound where about 1,200 people are involved in preparing the vehicles and drivers for the race.
The strict anti-epidemic protocols, developed in cooperation with the FIA 'Return to Motor Sport Guidelines', and the epidemiological rules imposed by Croatia's health authorities are being applied in the park and other venues of the race.
A total of 12 teams will compete in the strongest WRC category, and some of the stars are Sébastien Ogier, a French rally driver, Estonian Ott Tänak, Belgian Thierry Neuville and Finnish driver Kale Rovanperä.
The third round of the WRC rally features six Croatian drivers: Viliam Prodan, Martin Ravenščak, Krešimir Ravenščak, Ivica Siladić, Mateo Butorac and Željko Magličić.