The Port Muhammad Bin Qasim (Urdu: بندر گاہ محمد بن قاسم‎ Bandar-gāh Muhammad bin Qāsim), also known as Port Qasim, is a deep-water seaport in Karachi, Sindh, Pakistan, on the coastline of the Arabian Sea. It is Pakistan's second busiest port, handling about 35% of the nation's cargo (17 million tons per annum).