The Metropolitan City of Milan is a metropolitan area in northern Italy, encompassing the city of Milan and its surrounding municipalities. Established in 2015, it serves as an important economic, cultural, and administrative hub, contributing significantly to the national economy. The region is known for its fashion, design, and finance sectors. Milan is home to several notable landmarks, including the Duomo di Milano, a stunning Gothic cathedral, and the Castello Sforzesco, a historic castle. The city also hosts major events like Milan Fashion Week and is recognized for its vibrant arts scene, including museums and theaters.