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In page Orange County, California:

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Orange County has a history of large planned communities. Nearly 30 percent of the county was created as master planned communities,[citation needed] the most notable being the City of Irvine, Coto de Caza, Anaheim Hills, Tustin Ranch, Tustin Legacy, Ladera Ranch, Talega, Rancho Santa Margarita, and Mission Viejo. Irvine is often referred to as a model master-planned city because its original seven villages (College Park, The Colony, The Ranch, Culverdale, The Racket Club, University Park, and Turtle Rock) were laid out by the Irvine Company of the mid-1960s before it was bought by a group of investors including Donald Bren.