What are some main physical feature of oslo?

Oslo, the capital of Norway, is characterized by its stunning natural landscapes, including the Oslofjord, which features numerous islands and islets. The city is surrounded by green hills and forests, providing ample opportunities for outdoor activities. Notable physical features within the city include the Vigeland Park, famous for its sculptures, and the Akershus Fortress, which overlooks the harbor. Additionally, Oslo's waterfront area showcases a blend of modern architecture and historical buildings, reflecting its maritime heritage.