The center of Florence is immensely walkable, and this location, just off the Piazza della Repubblica, is absolutely perfect. You're no more than 10 minutes walking from literally everything.
Fabrizio and his team were always responsive, and were able to accommodate us with an early check-in and quickly fixed a minor issue with the keyless entry system (that was a product of their being able to accommodate us with an early check-in).
The space is perfect for what we needed. Everything is clean, the bed is comfortable (not always the case in Europe, I've found), the wifi fast, and the kitchen, to the extent we used it, was well-equipped.
It's not a large space, but for two people it's just the perfect base of operations to explore all Florence has to offer.