Kouvola is a city in Finland and the administrative capital of Kymenlaakso. It is located in the southeastern interior of the country. The population of Kouvola is approximately 79,000. It is the 12th most populous municipality in Finland, and the 17th most populous urban area in the country. Kouvola is located along the Kymijoki River in the region of Kymenlaakso, 62 kilometres kilometers east of Lahti, 87 kilometres west of Lappeenranta and 134 kilometres northeast of the capital, Helsinki.