Olavinlinna was built in the 1400s the castle , which is located in Savonlinna , surrounded by rocky island in the water Haukivesi and Pihlajavesi connecting Kyrön Strait . The castle has also been known in the past as Savo Castle and Uusilinna.

The popular tourist resort and events

Olavinlinna is a popular tourist destination open all year round. Parties and occasions such as weddings can also be held in the castle premises.  In 2019, approximately 149,873 guests visited Olavinlinna.

The most famous event in Olavinlinna is the annual Savonlinna Opera Festival . The first Opera Festival was organized on the initiative of Aino Ackté in 1912. Ackté had visited the castle in 1907 at a festival where she understood the fine setting of the castle for organizing an opera festival. After 1912, the festivities were held in the following years 1913, 1914, 1916 and after that there was a break until again in 1930 they were held once more, but after that there was a break of 37 years. Since 1967, opera festivals have been held annually. The Opera Festival is attended by about 70,000 guests a year, of which about 10% are foreigners. 

Olavinlinna currently also hosts professional boxing events. By August 2018, six televised Boxing Night boxing events have been held there. 

Savonlinna celebrates St. Olaf’s Day on July 29. It is also the birthday of the city. In this case, events will also be organized in Olavinlinna. During Easter week, an Easter play is shown in the castle courtyard .