The margraves of Baden originated from theHouse of Zähringen.[1] Baden is named after the margraves' residence,Hohenbaden Castle inBaden-Baden.Hermann II of Baden first claimed the title of Margrave of Baden in 1112. A unitedMargraviate of Baden existed from this time until 1535, when it was split into the two Margraviates of Baden-Durlach and Baden-Baden. Following a devastating fire in Baden-Baden in 1689, the capital was moved toRastatt.
To its west lies theFrench historical region ofAlsace, to its southSwitzerland, thePalatinate to its northwest,Hesse to the north, and parts ofBavaria to the northeast. Its eastern border with the region ofWürttemberg runs from theKraichgau through theBlack Forest, and from some parts of the forest to the Rhine the distances become as low as 18 kilometres (11 mi) in the so-called "Wespentaille" nearGaggenau.