Gross-Schweinbarth, Lower Austria, market town in the district of Grossenzersdorf, alt. 182 m, pop. 1017, area 24.93 km2 , situated at the northern margin of the Marchfeld plain. - Wine growing, timber processing, service industry. Lower Austrian Museum of Folk Culture, Peasant Museum.- Late Baroque parish church St. Martin's (1734/35) with Classicist altars (1814); palace (1792-97) built on the site of a former moated castle.