|• Mayor||Paul Renner|
|• Total||20.2 km2 (7.8 sq mi)|
|Elevation||186 m (610 ft)|
|Population (1 January 2016)|
|• Density||72/km2 (190/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
Seibersdorf is a village in Lower Austria, Austria. As of 2001, about 1200 people lived there. It is close to Vienna, and mostly known for the research centre of the International Atomic Energy Agency.