Sexau is a village in the district of Emmendingen in Baden-Württemberg in Germany.GeographySexau is at the beginning of the valley "Brettenbachtal". It is located on the crossing from the region of the Black Forest ("Schwarzwald") to the plains of the river Rhein ("Rheinebene").MayorMichael Goby was elected mayor for the first time in 2001. He was reelected in March 2009.