Duke University is located in North Carolina, USA. Duke University is a world-famous research university and one of the Ivy League universities in the United States. At the same time, Duke University is recognized as one of the world-class higher education institutions, and its business schools, law schools and medical schools rank in the top ten in the United States. Duke University is located in North Carolina, USA. Duke University is a world-famous research university and one of the Ivy League universities in the United States. At the same time, Duke University is recognized as one of the world-class higher education institutions, and its business schools, law schools and medical schools rank in the top ten in the United States.