Hotels:
https://www.turismotorino.org/en/accommodation
Hostels:
https://www.tomato.to.it/home-en
https://www.attichostel.it/?lang=en
http://www.bambooecohostel.com/en
https://www.ostellotorino.it/en/
https://www.ostelloalfieri.it/en
Additional accommodation and information about the city of Turin is available here: