Perched in the San Joaquin Hills of southern Orange County, Aliso Viejo is a popular city with award-winning schools, attractive neighborhoods, and fabulous shopping, dining and entertainment. The city is a master-planned community with a thoughtful balance of residential neighborhoods, storefronts and offices, community parks, facilities and schools. Aliso Viejo is bounded by verdant wilderness parks with miles of trails, year-round streams, and recreational activities.