Mannersdorf am Leithagebirge is a town in Austria. It is located in the district of Bruck an der Leitha in the state of Lower Austria. Mannersdorf is seated at the base of a range of wooded hills called the Leitha Mountains (Leithagebirge), from which it receives its full name. It overlooks an agricultural plain, through which flows the Leitha River, about two miles away.