Fremont (IPA: /ˈfriːmɒnt/) is a city in California, USA that was incorporate on January 23, 1956, from the merger of five smaller communities: Centerville, Irvington, Mission San Jose, Niles, and Warm Springs. The area now comprising Fremont and the adjoining cities of Newark (now an enclave within Fremont) and Union City was formerly known as Washington Township. Fremont is located in the southeast area of the San Francisco Bay Area in Alameda County. The city is named after John Charles Frémont, "the Great Pathfinder."