Go to
www.bedandbreakfast.it
Click on Cerca (search) and type in
Santa Maria Novella
or type in another point of interest as I can't tell what exactly you want to be near.
Several pages of B and Bs will come up. B and Bs get farther away from point of interest on successive pages. Clicking on the picture goes to the information page. There are several pictures for each B and B, and a map (click on mappa) shows the B and B relative to the point of interest.
If you don't know Italian, correspond in English in the contact area provided. Many B and B owners know English. Be sure you understand which floor your room will be on. This is Florence, lots of very old structures double as house and B and B, no elevators, lots of stairs.
Be aware that In Italy, their first floor is actually our second floor. Their second floor is our third floor. Our main floor or first floor is Zero in Italy.
This is Florence. These places have a lot of character. Prices should mostly be in your range. Some may be higher. Florence can be expensive.