This is a fantastic place to stay if you want a location in the middle of things! You are across the street form Teatro Dell'Opera, you can walk to Termini Rail station and Repubblica Metro station is just 3 blocks away.
There are quite a number of great food options around, starting with breakfast of caffelatte and cornettos right next door. A Carrefour is across the street for anything you might need.
The place itself had lots of room for our family of 4 (2 adult kids): 2 bedrooms with 2 full bathrooms recently renewed. Air Conditioning units in both bedrooms and the kitchen kept up with very hot summer temps in August. We felt very secure as the place had 4 different locked doors to go through at night, not that we felt it was needed anyway :) as it is certainly not a bad area of town at all. The elevator made moving in and out a cinch with heavy luggage, even if we had to go 2 at the time.
If you are planning on cooking, you should know it lacked some basic items in the kitchen (scrubs to wash dishes, paper towels, cooking condiments, oil), otherwise it was excellent.