Piazzale Michelangelo (where you can admire all of Florence) Santa Croce church, Giotto's bell tower and Piazza della Repubblica, then continue on foot and visit the city center and Piazza della Signoria with the Uffizi museum.
Florence, the capital of Tuscany, is home to many masterpieces of Renaissance art and architecture. One of the most famous places is the Duomo, the cathedral with a tiled dome designed by Brunelleschi and Giotto's bell tower. The Galleria dell'Accademia exhibits the sculpture of David by Michelangelo while in the Galleria degli Uffizi you can find The Birth of Venus by Botticelli and the Annunciation by Leonardo da Vinci.
Note: The remaining time will be for the round trip.