- en.wikipedia.org Battle of BomarsundBomarsund was a 19th-century fortress, the construction of which had started in 1832 by Russia in Sund, Åland, in the Baltic Sea.
- humbo.com fi/bomarsund-fortressBomarsund's remains are a reminder of the significant impact of European power struggles on the peaceful archipelago.
- biveros.se fortress-of-bomarsund/The Åland Islands have been through a lot of action during history. Located next to the water on the main island of Åland is the Fortress of Bomarsund.
- tr.wiki7.org wiki/БомарсундBomarsund kalesinin inşaatının ilk döneminde Prestö adasına bir askeri hastane inşa edildi ve yanında yaklaşık 30 özel ev ortaya çıktı.
- aland.travel bomarsund-enBomarsund is 33km from main town Mariehamn and is preferably reached by car. On bicycle it takes about 2 hours to bike from Mariehamn to Bomarsund.
- en.advisor.travel poi/Bomarsund-Aland-3248Bomarsund is a nineteenth century fortress in Sund on the Åland Islands in the Baltic Sea.
- aland.se en/bomarsund-fortress/Bomarsund Fortress on Åland, is not only an impressive architectural structure but also an important chapter in Nordic and European history.
- tripadvisor.com Attraction_Review-g189898-…There is also a cafe and camping area at Bomarsund. ... "The mighty walls of Bomarsund once represented Russia's military authority on Åland.
- mvdirona.com 2019/05/bomarsund/The Russians began building Bomarsund Fortress in 1830 as a western outpost when Aland and mainland Finland were part of the Russian Empire.