The Ports of Bremen, Bremen Ports or Bremish Ports, in German "Bremische Häfen" consist of the commercial ports in Bremen and Bremerhaven. They are managed by bremenports GmbH & Co. KG, a company of private status in public property.
In 2011, in the Ports of Bremen more than 60 million tons of goods were transported, including 6 million containers and 2.1 million cars. Bremerhaven Harbour is the world's busiest port transporting cars.
The first port of Bremen was the Balge, a narrow branch of the Weser river. In the mid-13th century, on Bremen city's riverside of the main river, a quay was built, called the Schlachte. For about three centuries, both ports were used in parallel, before Balge harbour stopped being used.
Like in many other European regions, the medieval extension of agriculture increased erosion of soil in the Weser basin. Since about 1400, the bed of the lower Weser was choked with sand, dramatically. Laden sea vessels could no longer run upriver to Bremen city. Ships were discharged on riverboats in the open lower Weser. In 1622/23, Bremen's first outer harbour was founded in Vegesack, 20 km downstream of Bremen. Soon it was lacking depth, too.