Graubünden is the largest canton in Switzerland, located in the eastern part of the country. It is known for its stunning alpine landscapes, featuring numerous mountains, valleys, and lakes. The region is a popular destination for outdoor activities such as skiing, hiking, and mountain biking, attracting tourists year-round. The capital of Graubünden is Chur, which is the oldest city in Switzerland. The canton is also home to several famous resorts, including St. Moritz and Davos. Additionally, Graubünden is culturally diverse, with three official languages: German, Romansh, and Italian.