Senate Square with its surrounding buildings designed by CL Engel. All the buildings were built in the period 1818-1852 gg. The main merit of the architect is that he managed to rugged hills and cliffs terrain to create the same harmony and the whole ensemble, which were built on the Neva Russian masters plains. "White capital of the north" - the so-called Helsinki in the XIX century. Senate Square is one of the architectural ensembles in Europe, the most well-seasoned in the framework of neo-classicism.

In the center of Senate Square stands a monument to the Russian Emperor Alexander II. In 1863, he coined the Finnish markka and the Finnish government made a par with Swedish. Alexander II is depicted in the form of a Guards officer during a speech has been delivered. Around the imperial figure is a sculptural group: the "Law", "The World," "light" and "Work". The monument is a typical example of the Finnish sculptural art of the XIX century. The sculpture is made of bronze and the pedestal of red granite.

The building of the Council of State is one of the central buildings of Senate Square. Part of the building was completed in 1822 as a building for the supreme authority of local government - the Imperial Senate of Finland. The building works and the current government.