This square has two important buildings, the Santa Àgata church, where the kings from the Aragon crown had baptism. Is possible to visit it. The other building has the Saló del Tinell, one of the best civil Gothic architecture examples. Is the place where the royal receptions where held, so is very wide with a wooden ceiling hold by the typical Catalan Gothic arches. It has also a tower from which you can have a good view of the old town. An entrance is needed to visit both.