The term Villa d'Este, Italy is a villa in Tivoli, near Rome. It was built in 1550 by Cardinal Ippolito II d'Este and is now a UNESCO World Heritage Site. The villa is renowned for its terraced hillside Italian Renaissance garden and its many fountains, which are fed by the Aniene river. The crossword solution for this term is ESTE, which is the surname of the cardinal who commissioned the villa.