In the square stands the Medici Troyana Tower, also known as Torre dell’ clock, a square, 44 meters high; climbing the 199 steps of the wooden staircase present at its entireè can reach the top and enjoy a wonderful view on’ entire cityà.The tower, relevant to the Troya family palaceè It built in the thirteenth in a crucial point for the cityà medieval. The location, strategically very significant, emphasizes the prominent role that the family occupied in the city's social fabric; News on Troya are scarce, but allow us to follow the’ rise and subsequent decline of this influential family. The house boasted a thriving activityà borrow money in different areas d’ Europe (Germany, France, Belgium) and the construction of a building and a’ high tower is part of the policy aimed at showing the wealth accumulated by the members of this family; prestige also witnessed by the city chronicles reminiscent of the ban, broken by Troya, to raise more ugrave&towers; higher than that of propertyà families Bertramenghi Scarampi (about 36 meters high). Related to this first phase of construction are the single-light windows that open into the part più low dell’ building, architecturally quite different from the light windows that adorn the part più high tower dates from the later interventions, dictated not only by necessityà aesthetic. In the early fourteenth century, in fact, Troya are involved, as almost all the families of Asti, in the fierce struggle that clash sees two opposing factions, that of De Castello and that of Solaro, allies of Troya. The latter were driven from the cityà and deprived of all propertyà all’ full of the walls; after an exile that lasted little moreù a year the family rientrerà in possession of the building and giveà initiate some works of renewal of’ building. Date back to this phase, in addition to a drastic change planimetric of the building, even the twelve light windows with round arches spread over three floors and the terminal end consists of three orders of arches made of terracotta and alternating sandstone, typical of’ astigiano.La tower and the palace, ownedà Troya of up to’ extinction of the family took place during the fifteenth century, passed in 1560 Emanuele Filiberto, Duke of Savoy, which allocates the tower to the public service to beat the hours. The bell present on the top, completely restored and replaced in its original position, dates back to 1531 andè one of the più Ancient of Piedmont. From 1° November to 31 March, the tower is closed for security reasons Becauseé the cold and frost make the impassable steps. From 1° April, the towerè re-visited to give visitors a view of“ amazing”.