Mercer Hotels is proud to present the Mercer Hotel Barcelona, an exclusive five star “Grand Luxe” hotel and listed historical monument in the heart of Barcelona’s Gothic Quarter.Located at number 7 on Calle Lledó, the building incorporates part of the Roman walls of the ancient city of Barcino, some of which date back to the 1st century A.D. Hotel guests have exclusive access to the medieval paintings of the 28th defence tower in an establishment whose core element is stone and whose renovation was carried out by the prestigious architect Rafael Moneo, who was awarded the Prince of Asturias prize in 2012.