Sonobudoyo museum was founded on November 1935 and designed by the Dutch architect named Kersten. This Museum is built in traditional Javanese architecture. It exhibits weapons, leather and wooden puppets of Wayang Theater, masks, statues, textiles, curios and old Javanese gamelan instruments. The museum is situated on the northern side of the city's main square in front of the Sultan's Palace. The architecture of gateway resembles to the entrance of the mosque in Kudus, while Kudus is the most ancient town in Java Island beside Kotagede.
The museum has the second most complete collection of cultural artifacts after the central museum in Jakarta, like ceramic from the Neolithic Age, statues and bronze articles from the 8th, 9th and 10th century originating from Central Java temples, various kinds of masks and wayang (puppet for shadow play), a gamelan or orchestra, an ancient weapon collection, the looms and artifacts from Bali. This museum is also an interesting library that keeps various ancient books related to the Javanese culture