Slobozia Church, dedicated to the Great Martyr St. Demetrius, is a Romanian Orthodox church in Bucharest's Sector 4, located at the intersection of Dimitrie Cantemir and Marășești Boulevards. Built by Radu Leon, its ctitor, between 1664 and 1667, the church was erected near a stone cross placed by Radu's father, Leon Tomșa.