Sasono Mulyo is a building located in the Kasunanan Surakarta Palace complex built in 1811 during the reign of ISKS Paku Buwono IV (1788-1820), the building with Javanese and colonial architecture can be seen from the shape of the pendapa, there is also a topengan, pringgitan dalem ageng and on the right side of the pendapa there is a building in the form of a lojen or Indish style built during the reign of Paku Buwono X, in the pendapa there are 4 Saka Guru standing to support the tumpangsari 24 saka pengagar on the roof of the penanggap supported by 12 saka and the roof of the panitih supported by 20 saka. In the past, this building was called Dalem Ngabean because the dalem was built as a residence for the son of Paku Buwono IV, namely Prince Hangabei (Paku Buwono VIII 1858-1861). This building consists of the pendapa, pringgitan, dalem ageng, senthong kiwa, senthong Tengahgan, pawon, well and gandhok buildings. The last occupant was Prince Hangabei, son of ISKS Paku Buwono On 1 December 1965 – 30 May 1967 Sasono Mulyo was a camp to accommodate political prisoners. Starting in 1971, it returned to its original function as a place to support palace activities in cultural activities. It was once used as a center/education center for the Indonesian Karawitan Arts Academy and the Surakarta Cultural Park from 1975 to 1980.

From 1980 to 2000, it was used as a place for holding cultural events (wedding ceremonies, wayang kulit performances, cultural discussions and death ceremonies).