 Koja contains the eastern section of Tanjung Priok Port (which contains the Container Terminal 1, Container Terminal 3, and Koja Container Terminal), Jakarta's main port.The Sunter Canal flows to the sea via Koja, its outlet lies on the boundary between Koja Subdistrict and Cilincing Subdistrict.The boundaries of Koja is Jakarta Bay to the north, Laksamana Yos Sudarso Tollway to the west, "Pelabuhan Minyak" - "Kali Baru" - Kramat Jaya Road - "Kali Cakung" to the east, and "Kali Batik" to the south.