Pueblo /ˈpwɛbloʊ/ is a Home Rule Municipality that is the county seat and the most populous city of Pueblo County, Colorado, United States. The population was 106,595 in 2010 census, making it the 267th most populous city in the United States and the 9th largest in Colorado. Pueblo is the heart of the Pueblo Metropolitan Statistical Area totaling over 160,000 people and an important part of the Front Range Urban Corridor. As of 2014, Pueblo is the primary city of the Pueblo-Cañon City combined statistical area (CSA) totaling approximately 208,000 people, making it the 134th largest in the nation. Pueblo is situated at the confluence of the Arkansas River and Fountain Creek, 112 miles (180 km) south of the Colorado State Capitol in Denver. The area is considered semi-arid desert land, with approximately 12 inches (304.80 mm) of precipitation annually. With its location in the "Banana Belt", Pueblo tends to get less snow than the other major cities in Colorado. Pueblo is one of the largest steel-producing cities in the United States, for which reason Pueblo is referred to as the "Steel City". The Historic Arkansas River Project (HARP) is a river walk in the Union Avenue Historic Commercial District, and shows the history of the devastating Pueblo Flood of 1921. Pueblo has the least expensive residential real estate of all major cities in Colorado. The median home price for homes on the market in Pueblo is $147,851 as of February 2013. It is the sixth most affordable place to live in America as measured by the 2014 Cost of Living Index. Costs of housing, goods and services, utilities, transportation, groceries and health care are lower than the national average.

Pueblo has earned the moniker of ‘Steel City’ thanks to it being one of the largest cities to produce steel in the United States. It is also home of the largest single event in Colorado, the Colorado State Fair. The Buell Children’s Museum displays a collection based on science, arts and history that make a mark on children’s minds. An extraordinary piece of architecture in Pueblo is the Bishop Castle that has been constructed in the medieval style in stone and iron. Since it owes its importance to steel production, there is a Steelworks Museum of Industry and Culture that charts the history of the steel industry in Pueblo. A holiday in Pueblo is incomplete without a performance at the Symphony Orchestra. Travel to Pueblo for a glimpse of life influenced by the various developments of mankind.