Fresno is a city in California, USA, the county seat of Fresno County. As of 2010, the population was estimated at 505,479, making it the fifth largest city in California, the largest inland city in California, and the 35th largest in the nation. Fresnooo is located in the center of the wide San Joaquin Valley of Central California, approximately 200miles (322km) north of Los Angeles and 170miles (274km) south of the state capitalSacramento. Thehe name Fresno is the Spanish language word for the ash tree, and an ash leaf is featured on the city's flag. Fresno serves as the economic hub of Fresno County and California's Central Valley. The unincorporated area and rural cities surrounding Fresno remain predominantly tied to large-scale agricultural production. Fresno is unique in that it is home to many business incubators that serve as a resource hub for business entrepreneurs and new companies.