Aberdeen, often referred to as the "Granite City" due to its many enduring grey-stone buildings, is a vibrant city in the northeast of Scotland. It is Scotland's third most populous city and serves as the country's principal seaport. The city has a rich maritime history and is known for its strong ties to the North Sea oil industry, which has brought considerable wealth and development to the area. Aberdeen boasts a mix of historical and modern architecture, with the medieval Aberdeen University and the contemporary Sir Duncan Rice Library standing as notable examples. The city center is a hub of activity, offering a variety of shops, restaurants, and cultural venues, including the Aberdeen Art Gallery and the Maritime Museum. Aberdeen is surrounded by picturesque countryside and castles, such as Balmoral Castle, and is a gateway to the Scottish Highlands. Despite its industrial backbone, the city has numerous parks and gardens, like Duthie Park and the David Welch Winter Gardens, providing green spaces for relaxation and recreation. Aberdeen also hosts several festivals throughout the year, celebrating its heritage, music, and arts, which contribute to its lively atmosphere.