It sounds like somewhere lovely, some strange place she's never heard of, like most of the homes of her friends.

"Home proper for me is Sicily. Mountains and orchards and vines, fields of grain in the summer. Bluest sky you've ever seen. But I'd left for university myself." She sighs, "Mine isn't quite as vast as yours sounds, but I miss the library--and even my coursework. I was good at it, unlike this." She gestures at the dressing room in particular and the train in general.