The Thuringian acquisition significantly increased the Wettin territorial possessions, which now reached from the Silesian border at the Bóbr river in the east up to the Werra in the west, and from the border with Bohemia along the Erzgebirge in the south to the Harz range in the north.
A long fortified wall, strengthened by numerous moats, stretched from the present day town of Jelenia Góra to Krosno, and along both sides of the Bobr river.