• Fremont/frimnt/ is a city in Alameda County, California. It was incorporated on January 23, 1956, from the merger of five smaller communities: Centerville, Niles, Irvington, Mission San Jose, and Warm Springs. The city is named after American explorer John Charles Frmont, "the Great Pathfinder." Located in the southeast section of the San Francisco Bay Area in the East Bay region primarily, Fremont has a population of around 220,000.[10] It is the fourth most populous city in the San Francisco Bay Area, and the largest suburb in the metropolis. It is the closest East Bay city to Silicon Valley, and is thus sometimes associated with it. The area consisting of Fremont, Newark (an enclave of Fremont), and Union City (formed from the communities of Alvarado and Decoto), is now known as the Tri-City Area. Fremont is home to the largest population of Afghan Americans in the United States.

  • The Town of Danville is located in the San Ramon Valley in Contra Costa County, California. It is one of the incorporated municipalities in California that uses "town" in its name instead of "city". The population was 42,039 in 2010. According to Businessweek, Danville is the 41st most expensive zip code in America. Danville is one of California's top 25 wealthiest cities, and one of the wealthiest suburbs of Oakland and San Francisco.Danville also ranks as the 2nd highest-income place in the United States with a population of at least 40,000. Danville hosts a farmer's market each Saturday next to the San Ramon Valley Museum. The Iron Horse Regional Trail runs through Danville. It was first a railroad that has been converted to an 80-foot (24m) wide corridor of bike and hike trails as well as controlled intersections. Extending from Dublin to Concord, the trail passes through Danville. Walkers, bikers, skaters, and joggers usually find the trail a source of outdoor recreation and exercise.The Danville Library hosts a number of community events, such as the annual Halloween activities for kids and book sales.[citation needed] The Museum of the San Ramon Valley is located in downtown Danville and hosts regional history exhibits and traveling shows in the converted railroad station adjacent to the Iron Horse Regional Trail.

  • Dublin (formerly, Amador and Dougherty's Station) is a suburban city of the East (San Francisco) Bay region of Alameda County, California, United States. Located along the north side of Interstate 580 at the intersection with Interstate 680, roughly 10 miles (16km) east of Hayward, 6 miles (9.7km) west of Livermore, directly north of Pleasanton, and 35 miles (56km) north of San Jose, it was named after the city of Dublin in Ireland.[citation needed] The nearest major city is Oakland, approximately 25 miles (40km) to the west-northwest on Interstate 580. Dublin is the second fastest-growing city in the state of California, behind only Santa Clarita. The population was 46,063 (2010 census), and the 2013 estimate at 49,890. It is forecast that by 2030, the population will grow to about 75,900.[citation needed] Dublin is home to the headquarters of Sybase, Inc, now part of SAP SE, Tria Beauty, Medley Health and Arlen Ness. The City of Dublin is a general law city operating under a City Council / City Manager form of local government. This form of government combines an elected mayor and council and an appointed local government administrator. The City Council elections are nonpartisan. The Mayor serves a two-year term, and Council members serve four-year terms.

  • San Ramon (Spanish: San Ramón, meaning "Saint Raymond") is a city in Contra Costa County, California, United States, located within the San Ramon Valley, and 34 miles (55 km) east of San Francisco. San Ramon's population was 84,605 per the 2020 census,[9] making it the 4th largest city in Contra Costa County, behind Richmond, Concord and Antioch.

    San Ramon is home to the headquarters of Chevron Corporation, Cooper Companies, the West Coast headquarters of AT&T, GE Digital, as well as the San Ramon Medical Center. Major annual events include the Art and Wind Festival on Memorial Day weekend and the Run for Education in October.

    On April 24, 2001, San Ramon was designated a Tree City USA.

  • Pleasanton is a city in Alameda County, California, incorporated in 1894. It is a suburb in the San Francisco Bay Area located about 25 miles (40km) east of Oakland, and 6 miles (9.7km) west of Livermore. The population was 70,285 at the 2010 census. In 2005 and 2007, Pleasanton was ranked the wealthiest middle-sized city in the United States by the Census Bureau. Pleasanton is home to the headquarters of Safeway, Inc. and Blackhawk Network. Although Oakland is the Alameda County seat, a few county offices and a courthouse are located in Pleasanton. Additionally, the main county jail is in the neighboring city of Dublin. The Alameda County Fairgrounds are located in Pleasanton where the county fair is held during the last week of June and the first week of July. Pleasanton Ridge Regional Park is located on the west side of town. Pleasanton is reported being number 4 by "USA Today" in "America's 50 best cities to live in" in 2014, number 63 in Money's list of "The Best Places to Live" in 2010, and was also named one of "Americans' Top Hometown Spots" in the United States in 2009 by Forbes. Pleasanton was named the third wealthiest city in terms of earnings in the United States by NerdWallet in 2013.

  • Livermore (formerly Livermorès, Livermore Ranch, and Nottingham) is a city in Alameda County, California. With a 2020 population of 87,955,[6] Livermore is the most populous city in the Tri-Valley, giving its name to the Livermore Valley. It is located on the eastern edge of California's San Francisco Bay Area, making it the easternmost city in the area. The current mayor is John Marchand.


    Livermore was platted and registered on November 4, 1869, as a railroad town by William Mendenhall and named for Robert Livermore, Mendenhall’s friend and a local rancher who settled in the area in the 1840s. It is the home of the Lawrence Livermore National Laboratory, for which the chemical element livermorium is named (and thus, placing the city's name in the periodic table). It is also the California site of Sandia National Laboratories, which is headquartered in Albuquerque, New Mexico. Its south side is home to local vineyards, and its downtown district is being redeveloped.


    The United States Census Bureau defines an urban area of Tri-Valley-area cities, with Livermore as the principal city: the Livermore–Pleasanton–Dublin, CA urban area had a 2020 population of 240,381, making it the 167th largest in the United States.