Fresno is a city located in the San Joaquin Valley of California, United States. It serves as the county seat of Fresno County and stands as the largest city within the greater Central Valley region.
As the most populated inland city in California, Fresno covers approximately 114.7 square miles (297 km2). According to the 2020 census, the city had a population of 542,107, ranking it as the fifth-most populous city in the state and the 33rd-most populous city in the nation.