Local ADT Security Monitoring in Pittsburgh, Pennsylvania. Security Services

Pittsburgh ( PITS-burg) is a city in the Commonwealth of Pennsylvania and the county seat of Allegheny County. It is the most populous city in both Allegheny County and Western Pennsylvania, the second-most populous city in Pennsylvania after Philadelphia, and the 68th-most populous city in the U.S. with a population of 302,971 as of the 2020 census. It is the largest city of the Greater Pittsburgh metropolitan area of Western Pennsylvania; its population of 2.457 million is the largest in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania, and the 26th-largest in the U.S. It is the principal city of the greater Pittsburgh–Weirton–Steubenvillle amass statistical Place that extends into Ohio and West Virginia.

Pittsburgh is located in southwest Pennsylvania at the confluence of the Allegheny River and the Monongahela River, which attach to form the Ohio River. Pittsburgh is known both as “the Steel City” for its dominant role in the records of the U.S. steel industry, and as the “City of Bridges” for its 446 bridges. The city features 30 skyscrapers, two slanting railways, a pre-revolutionary fortification and Point State Park at the confluence of the rivers. The city developed as a vital link of the Atlantic coast and Midwest, as the mineral-rich Allegheny Mountains led to the region beast contested by the French and British empires, Virginians, Whiskey Rebels, and Civil War raiders.