It is located in Ulica Senatorska, near the historical city center of Warsaw and the Theatre Square.

[1] It was designed by Burkhard Christoph von Münnich, the General-Architect in the service of the King Augustus II the Strong.

After being destroyed during the Second World War, the Belgian government decided to rebuild the palace in its original shape.

In the beginning of the 19th century, after many changes of owners and a fire, a Prussian official Friedrich Wilhem Mosque acquires the place.

[1] The only parts that remain are the ruins of the outer wall and the burned columns of the front portico.