Bugenhagen

Haven on the Bugen river. Hagen coming from the German word haven, and there was once a river or small body of water in Pomerania near the border of modern day Poland and Germany called Bugen. The word Bugen, in German, means to bend or to yield. It's possible that the place this name originated is from a haven in a bend in the river.
Notable historical figures bearing this name include the famous Protestant Reformer Johannes Bugenhagen who was Pastor and best friend to Martin Luther.