|Bundesland: Niederösterreich||Lower Austria|
Hainfeld, situated at an elevation of 439 m in the valley of the river Gölsen at the foot of the Kirchberg mountain (922 m), was first mentioned in a document in 1105–1522 as Haganvelt. Since 1928 it has the status of a town.
The Social-Democrat Party of Austria was founded here by Victor Adler at the so-called Hainfelder Parteitag (Hainfeld Party Congress) at the turn of the year 1888/1889.
The parish church Sankt Andreas [right] dates from the 15th century. The Gothic chancel was built around 1400, the nave dates from the late Gothic period. The parish had been established in 1161.