The Royal Palace of Barcelona, also known as the Palau Reial Major, is a historic building located in the heart of the Gothic Quarter. It served as the residence of the Counts of Barcelona and later the Kings of Aragon. The palace showcases a mix of architectural styles, reflecting its long history from the Roman period to the Gothic era. Today, the palace is a museum that houses important artifacts and artworks, including the Crown of Aragon. Visitors can explore its grand halls, beautiful courtyards, and the impressive Chapel of Saint Agatha, which highlight the rich cultural heritage of Barcelona.