Which one of the following is a 'Formal Region'?

The correct answer is - Assam Valley Key Points A region is a very simplistic term in geography that defines an area on Earth that contains similar attributes and is easily distinguished from other areas. A formal region is an area that has officially recognized boundaries defining it. The attribute of formal region could be anything from climate to political as long as the attribute is common and distributed throughout the region. On the basis of physiography, some of formal regions are the Indo-Gangetic Plain, the northern mountains of the Himalayas, the Central Highlands, the Deccan or Peninsular Plateau, the East Coast, the West Coast, the Great Indian Desert. The metropolitan area that consists of a major city and lots of smaller towns or cities that surround it are the Functional regions Therefore, Assam Valley is a formal Region and Delhi metropolitan region, Hyderabad-Secunderabad region, Delhi-Jaipur-Agra Triangle are the f unctional regions Formal region definition refers to a specific type of region that is characterized by a very uniform attribute that is found across the entire region. Additional Information The functional region definition states that it is a type of region that is defined by a specific social or economical attribute. The attribute is generally positioned in the center of the region and serves as a type of focal point. Functional regions can also be known as nodal regions because the attribute that defines the region are usually centered in a node point. A region develops around a node or focal point ie. transport network, service center, communication network, etc. It is an interaction between the core and its hinterland