Leiden is a city in the Netherlands, located in the province of South Holland. It is known for its rich history, beautiful canals, and vibrant cultural scene. The city is home to the oldest university in the Netherlands, Leiden University, founded in 1575, which attracts students and researchers from around the world. The city features several notable museums, including the National Museum of Antiquities and the Museum of the History of Science. Leiden also has a charming atmosphere with its historic buildings, parks, and lively markets, making it a popular destination for both tourists and locals.