Plaça del Rei is a historic square located in the heart of Barcelona, Spain. It is surrounded by medieval buildings, including the Palau Reial Major, which was the residence of the counts of Barcelona. The square serves as a reminder of the city's rich history and is a popular spot for both tourists and locals. In the center of the square stands the Column of Charles I, a monument that commemorates the Holy Roman Emperor. The area is also home to the Museu d'Historia de Barcelona, where visitors can explore the city's past through various exhibits and archaeological findings.