Wikipedia
Siilinjärvi is a municipality of Finland. The name, in Finnish, means "Hedgehog Lake." Lakes are essential part of the geography of Siilinjärvi. There are 123 lakes, and the biggest of them are Kallavesi and Juurusvesi–Akonvesi. Water area is 106.85 km, which is 21 % of the whole area of Siilinjärvi.
Siilinjärvi is located in Eastern Finland, in Northern Savonia, north of the city of Kuopio. Another neighbour municipality with Kuopio is Lapinlahti. The median age is relatively low; 23% of the population are under 15 years old. The main sources of income are services and industry. Siilinjärvi has eleven elementary schools and two secondary schools (one is located in Suininlahti and one downtown). One of the most important employers in Siilinjärvi is Yara International. Another big employer is Lujabetoni.
The airport of Kuopio is located in the village of Rissala in Siilinjärvi. The airport is also the home of the Karelian Air Command and the 31st Squadron of the Finnish Air Force.
Siilinjärvi is the birthplace of politician and prime minister Jyrki Katainen.