Where Is Irvine? Irvine is a medium-sized city that is located in Southern California. A relatively new city founded in 1971, Irvine is a planned community and is well known for being the North American headquarters of many large multinational corporations, such as Samsung, Toshiba and Kia. It is also the home of many universities and colleges, including the University of California at Irvine. The city is not far from the Pacific Ocean, and it is also close to both…