Cathedral of St. Nicholas in the third district of Vienna - Orthodox church, is today the cathedral of Vienna diocese of the Russian Orthodox Church. Vladimir Tyschuk - rector of the Orthodox Cathedral of St. Nicholas.

In the cathedral two floors: the upper church, consecrated in the name of St. Nicholas, and the lower, consecrated in the name of Emperor Alexander III, who was the patron of the cathedral. Near the temple premises situated diocese.

The temple was built at the Russian embassy imperial project Grigory Kotov in 1893-1899 years. He engaged in the construction of the Italian architect Luigi Giacomelli. Part of the spending took the Emperor Alexander III, who made a donation of 400,000 rubles. The consecration of the temple took place in early April 1899 by Archbishop Jerome.

Due to the termination of the relationship between Austria and Russia after the First World War, the cathedral was closed. Later, the church was transferred to the jurisdiction of the Metropolitan of Moscow. During World War II the Cathedral moved to use the Third Reich, and in 1945 returned to the jurisdiction of the Moscow Patriarchate.

In 2003, the cathedral was closed for restoration, which lasted about 5 years. In 2008, it planned to consecrate the restored cathedral, but instead of the celebrations was held a memorial service to Patriarch Alexei.