Basilica of Santa Maria Novella - The tour guide will give you information of the following from the outside.
Chronologically, it is the first great basilica in Florence, and is the city’s principal Dominican church.
The facade of Santa Maria Novella, has been completed by Leon Battista Alberti in 1470

Piazza di Santa Maria Novella - Piazza Santa Maria Novella is one of the most important squares in Florence. It is located between the central station, which is also called Santa Maria Novella, and the Piazza del Duomo

Duomo - The tour guide will give you information of the following from the outside

The Cathedral of Santa Maria del Fiore

Piazza del Duomo

Baptistery

Giotto’s Campanile

Piazza della Repubblica - Piazza della Repubblica, Republic Square, is a city square.
It was originally the site of the city’s forum, then of its old ghetto, which was swept away during the improvement works, or Risanamento, initiated during the brief period when Florence was the capital of a reunited Italy.

Piazza della Signoria - Piazza della Signoria is a w-shaped square in front of the Palazzo Vecchio in Florence, Italy. It was named after the Palazzo della Signoria, also called Palazzo Vecchio. It is the main point of the origin and history of the Florentine Republic and still maintains its reputation as the political focus of the city. It is the meeting place of Florentines as well as numerous tourists, located near Palazzo Vecchio and Piazza del Duomo and gateway to the Uffizi Gallery.

Palazzo Vecchio - The tour guide will give you information of the following from the outside
The Palazzo Vecchio is the town hall of Florence, Italy. It overlooks the Piazza della Signoria, which holds a copy of Michelangelo’s David statue, and the gallery of statues in the adjacent Loggia dei Lanzi.

Uffizi - The tour guide will give you information of the attraction from outside.
Located in the heart of Florence, the Uffizi Gallery hosts works of art by great Italian artists such as Botticelli, Giotto, Cimabue, Michelangelo, Leonardo da Vinci and Raffaello, just to name a few of the most famous.

Ponte Vecchio - The Ponte Vecchio is a medieval stone arch bridge over the Arno. The only bridge in Florence spared from destruction during World War II, it is noted for the shops built along it; building shops on such bridges was once a common practice. Butchers, tanners, and farmers initially occupied the shops; the present tenants are jewellers, art dealers, and souvenir sellers