Princeton is a city located in Mercer County, New Jersey, in the United States. It is well-known for being the home of Princeton University, a prestigious Ivy League institution. The city has a rich historical background and is known for its beautiful architecture, including the renowned Princeton University campus and Nassau Street, which is lined with charming shops and restaurants. Additionally, Princeton is home to several research and technology firms, contributing to its vibrant economy. The city also offers a wide range of cultural and recreational activities, such as art galleries, museums, parks, and a vibrant music scene.