Oldenburg is a city in northwestern Germany, known for its rich history and cultural heritage. It serves as the capital of the Lower Saxony state and is situated near the North Sea. The city features a mix of historical architecture and modern amenities, making it an attractive destination for visitors. The Oldenburg region has a strong educational presence, with institutions like the University of Oldenburg. The city is also famous for its parks and gardens, such as the Botanischer Garten, which provide residents and tourists with beautiful green spaces to enjoy.