Rotha is a village in the municipality Sangerhausen, Mansfeld-Südharz district, Saxony-Anhalt, Germany.Rotha was first mentioned in a charter from 1347 as Rote. Until 1 October 2005 Rotha was an independent municipality within the Sangerhausen municipal association (Verwaltungsgemeinschaft Sangerhausen), together with 9 other municipalities (i.e. the town Sangerhausen and 8 other villages).