Oldenburg is a city in northwestern Germany, located in the state of Lower Saxony. It has a rich history dating back to the 12th century and is known for its beautiful parks, historic buildings, and vibrant cultural scene. The city is home to several museums, including the State Museum for Art and Cultural History, which showcases regional art and history. The population of Oldenburg is around 170,000 residents, making it a medium-sized city. It is also a university town, hosting the University of Oldenburg, which attracts students from various fields. The city's blend of modern amenities and historical charm makes it an appealing place to live and visit.