The village of Dorfmark is part of the borough of Bad Fallingbostel in Heidekreis district in the German state of Lower Saxony.
Dorfmark has 3,469 inhabitants, over 22% of the borough's population, and an area of 15.48 square kilometres (3,830 acres), some 24% of the total area in the borough.
The River Böhme flows through Dorfmark and discharges into the Aller between Hodenhagen and Rethem.