Wienerbruck, Alpine settlement in Annaberg, Austria.

Wienerbruck is a Rotte in the Langseitenrotte cadastral community of Annaberg, Lower Austria, west of the main village and reached by the Mariazeller Straße B20. It has its own place-name signs but no separate address range: its buildings are addressed as Langseitenrotte. Just outside the settlement stands the Ötscher-Basis nature park centre, the starting point for the Ötschergräben gorges.

The settlement developed as a rural community with traditional economic structures that supported local life. In 1938 the area included two inns, a bakery, a general store, and a blacksmith serving residents and travelers.

Wienerbruck has its own place-name signs but no separate address range: the houses are numbered under Langseitenrotte. The 1938 address book lists a baker, a hairdresser, two hotels with inns, a general store, a pension, a blacksmith, a shoemaker, a joiner and several farmers, a roster recalled in local memory rather than visible today.

The area offers good access to hiking trails and the surrounding natural environment. The Ötscher-Basis Nature Park Center nearby serves as a departure point for excursions into the Ötschergräben area.

The historic Wienerbruck power plant dates from 1910 and was built specifically to supply electricity to the Mariazeller railway. This facility remains the oldest electrical installation of its kind in Lower Austria.