Newark (/ˈnjuːərk/ NEW-ərk) is a city in Alameda County, California, United States.

The western edge of the city is near the southern end of the San Francisco Bay.

State Route 84 runs through the city, and continues as the Dumbarton Bridge to cross the San Francisco Bay to reach Menlo Park.

Before it was settled by Europeans, Newark was home to the Ohlone Native American Peoples.

[4] Federally, Newark is in California's 17th congressional district, represented by Democrat Ro Khanna.

[5] Newark's economy is at the edge of Silicon Valley and shares its economic pattern.

[17] The city houses the NewPark Mall, a super-regional shopping center, with anchor stores Macy's and Burlington Coat Factory, and over 140 other retailers.

A 140,000-square-foot (13,000 m2) addition at NewPark, including restaurants, entertainment and a multiplex movie theater with IMAX, opened in 2015.

[18] The former Sun Microsystems site near I-880, State Route 84 and the Dumbarton Bridge, was purchased by BioMed Realty Trust and is now known as the Pacific Research Center.

In the early to mid-20th century, Newark's economy was based on manufacturing, including: Wedgewood stoves (1910s–1940s);[19][10] A.O.

The Family Aquatic Center portion of the Silliman Center opened in the summer of 2004 and includes a 32,300-square-foot (3,000 m2) indoor swim facility specifically designed for recreation, fitness, and instruction programs for the entire family.

[24] Newark also houses a portion of the Don Edwards San Francisco Bay National Wildlife refuge along with the city of Fremont.

"Newark Days" is a four-day Festival/Celebration that takes place every September on the Macgregor Soccer fields (adjacent to the Community center on Cedar Blvd).

In 2007, the plans for the Dumbarton Rail Corridor envisioned Caltrain building a station in Newark.