Maimun Palace a royal palace of the Sultanate of Deli and a well-known landmark in Medan. Today, it serves as a museum.
Built by a Sultan in years 1887–1891, the palace was designed by the Dutch architect Theodoor van Erp and covers 2,772 m² with a total of 30 rooms.

The Palace has become a popular tourist destination in the city, not solely because of its historical heritage status, but also because of its unique interior design of the palace, combining elements of Malay cultural heritage, Islamic and Indian architecture, with Spanish and Italian furniture and fittings.