 Since 1994 the palace has formed part of a UNESCO World Heritage Site the current name of which is "City of Vicenza and the Palladian Villas of the Veneto".There are more doubts than certainties surrounding the history of the urban villa that Francesco Thiene built on family properties at the eastern extremity of the Strada Maggiore (today the Corso Palladio), beginning with the exact date of its construction.At Palladio’s death the building had still not been executed