Raleigh (//; RAH-lee) is the capital of the state of North Carolina as well as the seat of Wake County. Raleigh is known as the "City of Oaks" for its many oak trees, which line the streets in the heart of the city. According to the U.S. Census Bureau, the city's 2012 estimated population was 423,179, over an area of 142.8 square miles (370 km2), making Raleigh currently the 42nd most populous city in the United States. It is also one of the fastest-growing cities in the country. The city of Raleigh is named after Sir Walter Raleigh, who established the lost Roanoke Colony on Roanoke Island in present-day Dare County, North Carolina.
Raleigh is home to North Carolina State University and is part of the Research Triangle area, together with Durham (home of Duke University) and Chapel Hill (home of University of North Carolina at Chapel Hill). The "Triangle" nickname originated after the 1959 creation of the Research Triangle Park, located in Durham County partway between the three cities and their universities. The Research Triangle region encompasses the U.S. Census Bureau's Raleigh-Durham-Chapel Hill Combined Statistical Area (CSA), which had an estimated population of 1,998,808 in 2012. The Raleigh Metropolitan Statistical Area (MSA) had an estimated population of 1,188,564 2012.
The Research Triangle, commonly referred to as simply "The Triangle", is a region in the Piedmont of North Carolina in the United States, anchored by North Carolina State University, Duke University, University of North Carolina at Chapel Hill, and the cities of Raleigh, Durham, and Chapel Hill respectively. The eight-county region, officially named the Raleigh–Durham–Chapel Hill CSA, comprises the Raleigh and Durham–Chapel Hill metropolitan areas and the Dunn Micropolitan Statistical Area. A 2012 Census Estimate put the population at 1,998,808. The Raleigh–Durham television market includes a broader 24-county area which includes Fayetteville, and has a population of 2,726,000 persons.
The United States is a country in the Northern Hemisphere, Western Hemisphere, and the Eastern Hemisphere. It consists of forty-eight contiguous states in North America, Alaska, a peninsula which forms the northwestern most part of North America, and Hawaii, an archipelago in the Pacific Ocean. There are several United States territories in the Pacific and Caribbean. The term "United States", when used in the geographical sense, means the continental United States, Alaska, Hawaii, Puerto Rico, Guam, and the Virgin Islands of the United States. The country shares land borders with Canada and Mexico and maritime (water) borders with Russia, Cuba, and the Bahamas in addition to Canada and Mexico.