Neighbor districts are : GÃ 1\/4 nzburg ( district ) , UnterallgÃ u and in Baden-W Ã 1\/4 rttemberg : Biberach ( district ) , Alb-Donau-district and the district-free city Ulm . It is bounded by ( from the east and clockwise ) the districts of GÃ 1\/4 nzburg and UnterallgÃ u and the state of Baden-W Ã 1\/4 rttemberg ( districts Biberach and Alb-Donau , city of Ulm ) .