Plumgau
The Plumgau in medieval designated sources as Pflaumgau or Blumgau was a sub gau the Maingaues in the old Frankish empire . It was located in the southern Spessart around the area of today's Main Franconia .
Further Untergaue of the Maingau were the Bachgau , the Rodgau and the Kinziggau .