- Joensuu is a city located in eastern Finland. It is the capital of the North Karelia region and has a population of around 76,000 people. The city is known for its natural beauty, with numerous lakes, rivers, and forests surrounding it. Joensuu is also home to the University of Eastern Finland, which contributes to its active cultural and academic scene. The city offers a range of recreational activities, including hiking, skiing, and fishing. Joensuu is also known for its annual Ilosaarirock music festival, which attracts thousands of visitors each year.