Around 4.8 million people reside in Finland, with the majority concentrated in the southern region. It is the eighth largest country in Europe in terms of area and the most sparsely populated country in the European Union. Finland is a parliamentary republic with a central government based in Helsinki and local governments in 336 municipalities. A total of about one million residents live in the Greater Helsinki area (which includes Helsinki, Espoo, Kauniainen and Vantaa), and a third of the country's GDP is produced there. Other larger cities include Tampere, Turku, Jyväskylä, Lahti, Vasa and Kuopio.