The Church of Reformed Congregation in Warsaw, Solidarnosci 74 Avenue.
The church has been built in 1866 - 1880.

The building had been designed in the neo-gothic style - with the use of cast-iron, a very popular building material at the time - by Adolf Loewe, a renowned Warsaw architect and a member of the congregation. You can find a historic organ here. The instrument, recently restored, is extremely valuable monument, it has been built by the company Swidnicka Schlag und Söhne in 1900.