Chula Vista, is the county’s second largest city. Located seven miles south of downtown San Diego and seven miles north of the world’s busiest international border crossing, Chula Vista is at the crossroads of the region.From a scenic bay front that stretches along the coast to the master-planned communities and majestic San Miguel Mountain in the east, Chula Vista is a powerhouse of residential design and environmental innovation. It’s one of the fastest growing cities in the nation. Chula Vista is proud to be home to the country’s only warm-weather, year-round, multi-sport U.S. Olympic Training Center and a nationally recognized concert venue, a wildlife preserve and a popular water theme park."