Oxford is a city in the south-east of England, located in the county of Oxfordshire. It is renowned for its university, which dates back to the 11th century and is one of the oldest universities in the world. The city itself has a population of approximately 150,000 people and is known for its beautiful architecture, including many colleges and churches. Oxford also has a vibrant cultural scene with numerous museums, theatres and galleries as well as an array of shops and restaurants. It is an ideal destination for tourists looking to explore Britain's history or take part in the lively nightlife.