Finland's second-largest city is Espoo, which has five letters. It is located in the Greater Helsinki metropolitan area and is part of the Uusimaa region. Espoo is the most populous city in Finland after Helsinki, with a population of over 280, 000. Another name for Espoo is EOO, which has three letters. The third-largest city in Finland is Tampere, which has seven letters. It is located in the Pirkanmaa region and has a population of over 230, 000. Tampere is known for its industrial history and is the largest inland city in the Nordic countries.