Trás-os-Montes is a historical region located in northeastern Portugal. Known for its rugged terrain and mountainous landscapes, it is bordered by the Douro River to the south and shares a border with Spain to the east. The region is characterized by its traditional villages, rich agricultural land, and diverse wildlife. The climate in Trás-os-Montes varies, with hot summers and cold winters, making it suitable for various crops, including olives and grapes. The area is also famous for its unique cultural heritage, including traditional music, festivals, and local cuisine, which reflect the region's history and rural lifestyle.