- ramblingfeet.net suomenlinna-helsinki-finland/The buildings that are present on Suomenlinna tend to be scattered, save for the collection of merchant houses near the main quay.
- twitter.com SuomenlinnaWHSMaailmanperintökohde #Suomenlinna'a restauroi, ylläpitää, esittelee & hallinnoi Suomenlinnan hoitokunta.
- http://gezialemi.com DunyaMiraslariAyrinti.asp…Askeri mimarlık tarihinde, Finlandiya kalesi (Suomenlinna) döneminin hem genel tahkimat ilkelerini hem de karakteristik özelliklerini temsil eden seçkin bir örnektir.
- 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.
- sirtcantam.com.tr helsinkide-bir-ada-suomenlinna/Suomenlinna Adası’na ulaştığımda görkemli bir kale karşıladı beni… Kale, 1991’de UNESCO Dünya Kültür Mirası Listesi’ne girmiş.
- 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.
- lonelyplanet.com finland/helsinki/attractions/…At Suomenlinna's main quay, the pink Rantakasarmi (Jetty Barracks) building is one of the best preserved of the Russian era.
- 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.
- suomenlinnatours.com en/activities-at-suomenlinna…Suomenlinna Experience – short film. Once even called the Gibraltar of the North, Suomenlinna is one of the largest sea fortresses in the world.