If you are looking for a major supermarket these would be your best options. Coles Supermarkets Mitcham Shopping Centre Cnr Britannia & Mitcham Retail Centre, Victoria Ave, Mitcham (03) 9874 8066
Woolworths Stevens Road, Forest Hill (03) 9878 3553
Depends on what part of Nunawading you are in, but if you are up near the Eastern Freeway the Mitcham Coles off Whitehorse Road is probably the closest, but if you are near Canterbury Road you would find the Wollies at Brentford Square on Canterbury Road or you could go to Forest Hill Chase.