room
In Italian, 'stanza' is used to describe a space within a house or other building enclosed by walls and floor and ceiling. It can be used when discussing any type of room, from a bedroom to a dining room, and you can specify its purpose by prefixing the type of the room like 'stanza da letto' which means 'bedroom'.
The room is spacious and bright.
In this context 'stanza' is referred to a separate area within a building with its own functions, that is a 'room' in English.
I like to read books in my room.
The Italian word 'stanza' in this case is used to define a personal space inside someone's home in a general sense, which in English is a 'room'.
He had a room full of toys.
In this context, 'stanza' is used to describe a distinct room or compartment in a building, that in English is a 'room' and that is typically used by one person.