4 days ago · Fish Processing. Tanzania has a total surface area of 945,037 sq. km. The area of freshwater cover is estimated at 54,337 sq. km., which is about 6.1 percent of the total country’s surface area. The country has a Territorial Sea of 64,000 sq. km. And a stretch of a coastline of about 1,424 km long all in the Indian Ocean, and other inland