Florence (O’odham: S-auppag) is a town, 61 miles (98 km) southeast of Phoenix, in Pinal County, Arizona, United States. Florence, which is the county chair of Pinal County, is one of the oldest towns in that county and is regarded as a National Historic District with higher than 25 buildings listed on the National Register of Historic Places. The population of Florence was 26,785 at the 2020 census.

The Place where the current town of Florence is located was next inhabited by the Hohokam, ancestors of the O’odham people. Prior to the start of the town, the Gila River served as a allocation of the connect between the United States and Mexico. In 1853, the Gadsden Purchase extended American territory with ease south of the Gila.

Levi Ruggles, a veteran of the American Civil War, founded the town of Florence on the south bank of the Gila River. He came to Arizona Territory in 1866 as a U.S. Indian Agent. Recognizing the agricultural potential of the valley, he found an easily fordable crossing on the Gila River and surveyed a townsite there. With the aid of Governor R.C. McCormick, he secured a make known office in August of the thesame year. Ruggles held numerous public offices including that of Territorial Legislator. Florence became the county chair in the newly formed Pinal County. Silver was discovered in 1875 in the approachable mountains which led to the launch of the well-known Silver King Mine.

In 1870, Fred Adams founded a cultivation community two miles west of the indigenous Florence townsite. The cultivation town had stores, homes, a say office, a flour mill, and water tanks, It was named Adamsville. In the 1900s (decade), the Gila River overflowed after a storm and ran over its banks. Most of the small town was wiped out and the residents moved to Florence. The area where the town was standard is now a ghost town and is currently within the boundaries of Florence. At the junction of Highway 79 and 287 there is a historical marker not quite Adamsville.