- adarasblogazine.com suomenlinna-sea-fortress-…Suomenlinna (or Sveaborg in Swedish) is one of the world's largest sea fortresses and is also known as the Nordic region's Gibraltar.
- yachtcharterfleet.com finland/see-and-do/landmark…Situated on a group of islands off Helsinki, Suomenlinna Fortress was built during the Swedish era as a maritime fortress and acted as a base for the...
- travel.sygic.com tr/poi/suomenlinna-poi:2725Suomenlinna ya da Sveaborg, 1918 yılına kadar Viapori, Finlandiya'nın başkenti Helsinki'de yer alan altı adada inşa edilmiş deniz...
- itinari.com location/suomenlinnaWalking trails cross parkland between popular sights like the King’s Gate drawbridge and Suomenlinna Museum, which recounts military and maritime history.
- discoveringfinland.com blog/the-island-fortress-…Sweden lost the war, and seven centuries of its control of Finland came to an end, with Russia becoming the occupier of Suomenlinna.
- twitter.com SuomenlinnaWHSMaailmanperintökohde #Suomenlinna'a restauroi, ylläpitää, esittelee & hallinnoi Suomenlinnan hoitokunta.
- whc.unesco.org en/list/583/Suomenlinna (Sveaborg) is a sea fortress, which was built gradually from 1748 onwards on a group of islands belonging to the district of Helsinki.
- maailmanperinto.fi en/suomenlinna/The construction of Suomenlinna began in 1748, under Swedish rule. The purpose of the fortress was to act as a naval base to defend the mainland.
- gezilecekyerler.com suomenlinna-kalesi/Finlandiya ülkesinin başkenti ve en büyük şehri Helsinki’de yer alan Suomenlinna Kalesi, 18. yüzyılın ikinci yarısında İsveçliler tarafında inşa edilen bir deniz kalesidir.
- historyhit.com locations/suomenlinna-fortress/Suomenlinna is accessible only by water: a ferry service therefore runs from the Market Square to Suomenlinna throughout the year.