Piqua is a city located in Miami County, Ohio, in the United States. It is situated along the Great Miami River and has a rich history dating back to its founding in 1807. The city is known for its historical sites, including the Fort Piqua Plaza and the Piqua Historical Society, which showcase its heritage and development over the years. The population of Piqua is approximately 20,000 residents, making it a small but vibrant community. The city offers various recreational opportunities, including parks and sports facilities, and hosts events throughout the year that bring residents together. Piqua is also part of the Dayton metropolitan area, providing access to larger urban amenities.