The Golitsyn Palace in Trostyanets is a neoclassical manor house with baroque elements, built in 1762 from wood by the Nadarzhinsky brothers opposite the Round Courtyard. Since 1832, the palace was owned by Prince V. Golitsyn, since 1881 - by the sugar factory L. Koenig, who overlaid the central part of the house with bricks. The palace is surrounded by a beautiful park with a lake, a gazebo and sculptures. The main oak staircase to the second floor, door portals and a dance hall decorated with stucco and sculptures have been preserved in the interior of the palace. On the side of the Round Courtyard, a part of the brick fence has been preserved. In the summer of 1864, a novice composer, a student of the St. Petersburg Conservatory, P.I. In Soviet times, the palace housed a kindergarten, after the restoration of 2007-09, the building houses an art gallery of the local history museum and a museum of chocolate.