Titan (Romanian pronunciation: [tiˈtan]) is a neighborhood of Eastern Bucharest, part of Sector 3. It surrounds the Alexandru Ioan Cuza Park, formerly known as "Titan", "I.O.R." (Intreprinderea Optică Română), and "Balta Albă" (The White Pond). The name of "Titan" comes from a cement factory located here in the 20th century.