Definition: Vilnius, Lithuanian for "Lithuania," is a town located in Lithuania, known for its historical significance. It's named after Vilnius Castle, one of the largest castles in Europe. The word literally means "city with stone walls" or "stone city." Its meaning changes as it evolves and varies depending on context. For example, it could be used to denote a town, city, fortress, or religious site. Vilnius Cathedral is a large Gothic-style cathedral located in Vilnius. It stands proudly over the historic town's center. The cathedral has been standing for centuries, but today it serves as an important cultural landmark and pilgrimage spot.