Mömbris is a community – since 31 January 1964 a market community – in the Aschaffenburg district in the Regierungsbezirk of Lower Franconia (Unterfranken) in Bavaria, Germany. Mömbris is the district’s fifth biggest community and comprises all together 18 centres in an area of 35.92 km². The greater share (32.81 km²) is woods, meadows and cropland. The community lies between 165 and 337 m above sea level.
Mömbris lies in the Bavarian Lower Main (Bayerischer Untermain) in the Kahlgrund halfway between Schöllkrippen and Alzenau, which are linked by Staatsstraße (State Road) 2305, at the foot of the Vorspessart (range) with its highest elevation, the Hahnenkamm at 437 m above sea level. The river Kahl flows through Mömbris.
Mömbris’s Ortsteile are as follows: