Belweder in Warsaw. Belweder in Warsaw, Belwederski Palace - a palace located at ul. Belwederska 54/56 in Warsaw. Belweder in Warsaw, the llycycystic palace was built in the years 1819-1822 according to the design of Jakub Kubicki in the place of the Baroque palace erected according to the design of Jakub Fontana. In the years 1918-1922, the headquarters of the State Chief, in the years 1922-1926 and 1989-1993, the seat of the President of the Republic of Poland. Beautiful Belweder in Warsaw