Koray Gayrimenkul Yatirim Ortakligi AS operates as a real estate investment trust. Its activities include construction, investment, leasing, and sales of real estate properties, such as residence buildings, shopping malls, and commercial units. The company was founded by Murat Koray, Selim Koray, and Necdet Öztürk on December 24, 1996 and is headquartered in Istanbul, Turkey.