Trigranit Development Corporation has formed a joint venture with Heitman European Property Partners IV (HEPP IV) for the Arena Centar Shopping Center in Zagreb, Croatia. Both Trigranit and HEPP IV will hold a 50% stake in this newly developed, landmark (180,000 m[sup]2[/sup] ) mall. The transaction includes two land plots for a future potential extension of the retail centre and the development of a mixed-use project including office, residential units and a congress center.