Sankt Pölten (St. Pölten) is the capital city of the State of Lower Austria in northeast Austria. With 51,956 inhabitants (as of 2011-01-01), it is Lower Austria's largest city. Sankt Pölten is a city with its own statute (or Statutarstadt) and therefore it is both a municipality and a district in the Mostviertel.The city lies on the Traisen River and is located north of the Alps and south of the Wachau. It is part of the Mostviertel, the southwest region of Lower Austria.
The city's main railway station, St. Pölten Hauptbahnhof, is located directly on the West railway of the ÖBB and is also the terminus of the Leobersdorfer Railway, the Mariazellerbahn, the regional railway to Tulln and the regional railway to Krems. It is at the intersection of the Western Motorway A1 and the Kremser Speedway S33, and is traversed by the Vienna Road B1. Sankt Pölten is a junction of the Wieselbus bus lines, which provides radial connections between the capital and the different regions of Lower Austria.