The people of Savonlinna had to go to the Sääminki church when they didn't have their own church. In 1850 governor Aleksander Thesleff gave order to build a church in Savonniemi. The actual construction began in 1874 and was completed in 1878. The church was designed by architect Axel Hampus Dahlström in the Gothic Revival style and it has room for 1000 people.
In 1896 the new diocese of Savonlinna was founded and the Savonlinna church became a cathedral. The first bishop was Gustaf Johansson. In 1925 the bishop's seat was moved to Vyborg, but the church still retained "cathedral" as its name.
During the Winter War in 1 May 1940 Savonlinna was bombed and the church was damaged. It was restored in 1947–1948 by architect Bertel Liljeqvist. In 1990–1991 it was renovated by Ansu Ånström.
The trulli, typical limestone dwellings of Alberobello in the southern Italian region of Puglia, are remarkable examples of corbelled dry-stone construction, a prehistoric building technique still in use in this region. These structures, dating from as early as the mid-14th century, characteristically feature pyramidal, domed, or conical roofs built up of corbelled limestone slabs. Although rural trulli can be found all along the Itria Valley, their highest concentration and best preserved examples of this architectural form are in the town of Alberobello, where there are over 1500 structures in the quarters of Rione Monti and Aja Piccola.
The property comprises six land parcels extending over an area of 11 hectares. The land parcels comprise two districts of the city (quarters or Rione Monti with 1,030 trulli; Rione Aia Piccola with 590 trulli) and four specific locations.
Trulli (singular, trullo) are traditional dry stone huts with a corbelled roof.