Original: It is bounded by ( from the east and clockwise ) the district of OberallgÃ u , Austria ( federal state of Vorarlberg ) , Lake Constance and the state of Baden-W Ã 1\/4 rttemberg ( districts of Bodensee and Ravensburg ) .
Simplified: Neighbor districts are : OberallgÃ u and in Baden-W Ã 1\/4 rttemberg : Ravensburg ( district ) and the Bodensee ( district ) ; In the south of the district are the Austrian state Vorarlberg and Lake Constance .