via Merchant Machine, 19 May 2018: Trade routes of the world in the 11th and 12th centuries, including Southeast Asia!
Map created by reddit user martinjanmansson. Click to zoom in. The map above is probably the most detailed map of Medieval Trade Routes in Europe, Asia and Africa in the 11th and 12th centuries you can find online. It includes major and minor locations, major and minor routes, sea routes, canals