Aargau is a canton in central Switzerland, known for its picturesque landscapes and rich history. It is bordered by the Rhine River to the north and features rolling hills, forests, and numerous castles. The capital city is Aarau, which is famous for its charming old town and beautiful architecture. The economy of Aargau is diverse, with strong sectors in manufacturing, services, and agriculture. The canton is also home to several important cultural sites, including the Lenzburg Castle and the Aargau Art Museum. Aargau's strategic location makes it an important transportation hub within Switzerland.