|Administrative Province||Oulu province|
|Historical Province||Northern Ostrobothnia|
| Area (2004-01-01)|
- Total (excl. sea areas)
- Inland water
384.99 square kilometer>km²
- Total (2004-01-01)
- Population density>Density
| Ranked 6th|
Founded on 1605-04-08 by King Karl IX of Sweden opposite the castle built on the island of Linnansaari, Oulu is situated by the Gulf of Bothnia, at the mouth of Oulu River, which is an ancient trading site. The name Oulu possibly comes from a word in the Sami language meaning floodwater. Oulu has been the capital of Oulu province since 1776.
From being a town known for wood tar and salmon, Oulu has evolved into a major centre of competence in the field of high technology, particularly IT and wellness technology. Other prominent industries are wood refining, paper and steel industry. The University of Oulu is located 6 km north of the city center. The Oulu Airport, located in neighbouring municipilaty of Oulunsalo, is the second busiest in Finland.
The City of Oulu will be celebrating its 400th anniversary in 2005.
See also: Oulu (disambiguation)
|Municipalities of Northern Ostrobothnia|
|Alavieska | Haapajärvi | Haapavesi | Hailuoto | Haukipudas | Ii | Kalajoki | Kempele | Kestilä | Kiiminki | Kuivaniemi | Kuusamo | Kärsämäki | Liminka | Lumijoki | Merijärvi | Muhos | Nivala | Oulainen | Oulu | Oulunsalo | Piippola | Pudasjärvi | Pulkkila | Pyhäjoki | Pyhäjärvi | Pyhäntä | Raahe | Rantsila | Reisjärvi | Ruukki | Sievi | Siikajoki | Taivalkoski | Tyrnävä | Utajärvi | Vihanti | Yli-Ii | Ylikiiminki | Ylivieska|
|Northern Ostrobothnia | Oulu Province | Finland|