The main palace of Barcelona (Grand Palace of Barcelona) is a group of historic buildings in Barcelona, Catalonia, Spain. Located in the King's Square of the Old City of Gothic District, it was the residence of the Count of Barcelona and later King Aragon. It consists of three different buildings - "Santa Aga Chapel, Royal Chapel, Gothic architecture. It has an octagonal tower in the early 14th century. The palace is small in size and does not look brilliant, but it still has a sense of history.