Helsinki
Helsinki is the capital of Finland, situated on the Gulf of Finland. Home to about 650,000 people, the city is a hub of culture, industry, and administration in the country. It hosts the renowned University of Helsinki, founded in 1828, as well as the Helsinki-Vantaa Airport. Don't miss the Suomenlinna Fortress and take a stroll through the picturesque city center. Average winter temperatures are -5 °C, while summer temperatures reach 20 °C. The best time to visit is during the summer months, when the days are long and warm.