The Buda Castle is a historic palace located in Budapest, Hungary, atop the Castle Hill on the Buda side of the Danube River. It is one of the most popular tourist destinations in Budapest and a major cultural and architectural symbol of the city. The castle has a long and fascinating history, with its roots dating back to the 13th century. Over the centuries, it has been the residence of Hungarian kings, a palace of the Habsburg dynasty, and a military barracks. Today, the castle complex houses several museums and cultural institutions, including the Hungarian National Gallery and the Budapest History Museum.

The castle complex is made up of several buildings, including the Royal Palace, the Matthias Church, and the Fisherman's Bastion, which offer panoramic views of the city. The castle is renowned for its stunning Gothic, Renaissance, and Baroque architecture and its intricate embellishments, including towers, turrets, and arched bridges. Visitors can also take guided tours of the castle's historic interiors, which showcase the rich cultural heritage of Hungary.