Tui is a small city located in the southwest of Galicia, Spain. It had 15,350 inhabitants in (2003). Named as Tude by Romans, it was already mentioned by Strabo and Ptolomeus. During the Visigoth period, it was host of the small kingdom of Gallaecia at the time, sacked later by the Normans.

Today it has a center of candle near the Inn of San Telmo. On the top of the hill, the cathedral (XI-XIII century) preserves the Romanic period in its main vestibule, and the gothic period in the western vestibule.

The city has two museums, one dedicated to archaeology and sacred art, and the other is the diocesan museum.