Buda Castle is a historical palace complex located in Budapest, Hungary. It sits atop Castle Hill and offers stunning views of the Danube River and the Pest side of the city. Originally built in the 13th century, it has undergone numerous renovations and expansions over the centuries, reflecting various architectural styles. Today, Buda Castle houses several important institutions, including the Hungarian National Gallery and the Budapest History Museum. The castle is a UNESCO World Heritage Site and attracts many visitors who come to explore its rich history and beautiful surroundings.