Oxford (/ˈɒksfərd/) is a city in southern England and the county town of Oxfordshire. With a population of 150,200 it is the 52nd largest city in the United Kingdom, and one of the fastest growing and most ethnically diverse.Oxford has a broad economic base. Its industries include motor manufacturing, education, publishing, and a large number of information technology and science-based businesses, some being academic offshoots.The city is known worldwide as the home of Oxford University, the oldest university in the English-speaking world.Buildings in Oxford demonstrate examples of every English architectural period since the arrival of the Saxons, including the mid-18th-century Radcliffe Camera. Oxford is known as the "city of dreaming spires", a term coined by poet Matthew Arnold.