Fresno is a major city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County and the largest city in the greater Central Valley region. It covers about 115 square miles (300 km2) and had a population of 542,107 as of the 2020 Census, making it the fifth-most populous city, in California, the most populous inland city in California, and the 34th-most populous city in the nation.

Metropolitan Fresno, officially Fresno–Hanford–Corcoran, CA CSA, is a metropolitan area in the San Joaquin Valley, in the United States, consisting of Fresno and Madera counties. It is the third-largest metropolitan region in Northern California, behind the San Francisco Bay Area and Greater Sacramento. It is also the 49th-largest CSA in the U.S. as of 2010 census.