Irvine is a master-planned city in Orange County, California, about 40 miles south of Los Angeles. With a population of roughly 320,000, it is one of Orange County's largest cities and among the most comprehensively planned communities in the United States. The city is organized around a system of residential villages connected by open space, parks, and an extensive trail network. Irvine's planning legacy dates to the Irvine Company's development of the former Irvine Ranch, which shaped the city's village-based layout. Each village combines housing with schools, parks, and neighborhood shopping, creating a consistent suburban fabric. The Jeffrey Open Space Trail and other greenways link neighborhoods, while the Orange County Great Park, built on the former El Toro Marine Corps Air Station, provides a major regional recreation and sports venue. The University of California, Irvine anchors the city's education and employment base, and the Irvine Spectrum district serves as a major shopping and entertainment center. Irvine Unified School District, serving more than 36,000 students, is consistently among California's most highly regarded districts. The city's economy spans technology, healthcare, and education, with major employers across its business districts. Irvine is also among the most diverse cities in Orange County, with a population spanning many backgrounds and a highly educated workforce. Its combination of planning, schools, and economic opportunity has made it a sought-after address for families and companies alike. Residents value the predictability and order of the village system, the extensive green space, and the proximity to major employers. The combination of master-planned neighborhoods, open space, and economic opportunity defines Irvine's role as a model of planned community design in Southern California.