The Port of Karachi (Urdu: بندر گاہ كراچى ) is Pakistan's largest and busiest seaport, handling about 60% of the nation's cargo (25 million tons per annum). The port is located at 24°50′00″N 66°58′30″E / 24.83333°N 66.97500°E between the Karachi towns of Kiamari and Saddar, close to the heart of old Karachi. The port is located close to the main business district of Karachi and several industrial areas. The geographic position of Karachi places the port in close proximity to major shipping routes such as the Straits of Hormuz. The administration of the port is carried out by the Karachi Port Trust which was established in the nineteenth century.The port comprises a deep natural harbour with an 11 km long approach channel which provides safe navigation for vessels up to 75,000 DWT. The main areas of port activity are two wharves; East Wharf with seventeen vessel berths and West Wharf with thirteen vessel berths. The maximum depth alongside the berths is currently 11.3 metres.