Plaza Vea is the largest supermarket chain in Peru belonging to Supermercados Peruanos S.A., the second largest peruvian retail company. Plaza Vea supermarkets are spread around town strategically located at Lima's hubs or within shopping malls. They offer a wide variety of local and imported products and good prices. Additional services include a branch of Interbank, ATMs, pharmacy, optician, food parlor, dry cleaner, flower shop...
If you regularly shop at Plaza Vea, you might want to think about getting the "Tarjeta Vea"; it's a credit card issued by Interbank. Depending on the amount of money you spend in the supermarket, you get each month up to 12 vouchers allowing to shop in given categories with a discount between 10% and 30%.
A list of all Plaza Vea Supermarkets in Lima and the provinces can be found on their webpage under "Nuestra Tiendas".