Turku is a city on the southwest coast of Finland at the mouth of the Aura River, in the region of Southwest Finland. The population of Turku was 187,564 (2016), making it the sixth largest city in Finland. There were 318,168 inhabitants living in the Turku sub-region, ranking it as the third largest urban area in Finland after the Greater Helsinki area and Tampere sub-region.
Due to its location, Turku is a notable commercial and passenger seaport with over three million passengers traveling through the Port of Turku each year to Stockholm and Mariehamn.
The city is also a renowned high tech centre – the Turku Science Park area in Kupittaa hosts over 300 companies from the fields of biotechnology and information technology, as well as several institutions of higher learning that work in closely with the business sector.