answer: It includes some of the wealthiest communities in the United States; including such cities as Newport Beach , Irvine , Lake Forest , Portola Hills , Coto de Caza , Dove Canyon , Aliso Viejo , Trabuco Canyon , Capistrano Beach , Corona Del Mar , Laguna Niguel , Laguna Hills , Laguna Woods , Newport Coast , Foothill Ranch , Robinson Ranch , Mission Viejo , San Juan Capistrano , Rancho Santa Margarita , Ladera Ranch , Dana Point , Laguna Beach , and San Clemente .