Grossweikersdorf, Lower Austria, market town in the district of Tulln, alt. 211 m, pop. 2,653, area 43.33 km2, old wine-growing town in the Schmidatal valley in the Weinviertel region. - Sports hall and sports centre; flour mill, commercial enterprises, some wine-growing. - First documented in 1221; parish church (rebuilt 1733-1740 according to plans by J. E. Fischer von Erlach) with Late Gothic high altar (1740) and altarpieces by M. Altomonte (1734) and M. J. Schmidt (1749); Baroque houses on the Marktplatz square; column dedicated to the Virgin Mary (1720); pillory. I.-Pleyel museum in Ruppersthal.
Literature#J. Baumgartner, Heimatbuch Grossweikersdorf, 1968.