Medellín is the second-largest city in Colombia and the capital of the department of Antioquia. It is located in the Aburrá Valley, a central region of the Andes Mountains in South America. The city has an estimated population of 2.5 million as of 2017. The metropolitan area of Medellín is the second-largest urban agglomeration in Colombia in terms of population and economy, with more than 3.7 million people.
Medellín is important to the region for its universities, academies, commerce, industry, science, health services, flower-growing and festivals.