<Tr> <Th> Government </Th> <Td> County government </Td> </Tr> <Tr> <Th> Subdivisions </Th> <Td> cities, towns, unincorporated communities, census designated place </Td> </Tr> <P> There are 15 counties in the U.S. state of Arizona . Four counties (Mohave, Pima, Yavapai and Yuma) were created in 1864 following the organization of the Arizona Territory in 1862 . The now defunct Pah - Ute County was split from Mohave County in 1865, but merged back in 1871 . All but La Paz County were created by the time Arizona was granted statehood in 1912 . </P> <P> Eight of Arizona's fifteen counties are named after various Native American groups that are resident in parts of what is now Arizona, with another (Cochise County) being named after a native leader . Four other counties, Gila County, Santa Cruz County, Pinal County, and Graham County, are named for physical features of Arizona's landscape: the Gila River, the Santa Cruz River, Pinal Peak, and Mount Graham, respectively . Another county, La Paz County, is named after a former settlement, while the final county, Greenlee County, is named after one of the state's early pioneers . </P>

How many counties in the state of arizona