Wien, also known as Vienna, is the capital city of Austria. It is located in the northeastern part of the country along the Danube River. Known for its rich history, Wien has been a cultural center for centuries, featuring stunning architecture, museums, and classical music venues. The city is famous for its historic sites, including the Hofburg Palace and St. Stephen's Cathedral. Wien is also recognized for its coffee house culture and delicious pastries, such as Sachertorte. With a population of about 1.9 million, it is the largest city in Austria and a hub for international diplomacy.