- britannica.com place/VyborgFirst settled in the 12th century, Vyborg was built as a fortress in 1293 by the Swedes after they had captured Karelia.
- http://worldwalk.info en/catalog/984The Castle was built on a small (170 meters by 122 meters or 560 feet by 400 feet) island in the Bay of Vyborg.
- inyourpocket.com st-petersburg-en/vyborg-castle_…Vyborg Castle was one of the three major castles of Finland. ... The castle owes its present appearance to extensive restorations undertaken in the 1890s.
- destimap.com index.php…...Druzhba Hotel, Market Square with Central Market and Round Tower, Square of Old Town Hall, Pretzel Coffee Shop, Castle Island, The Vyborg Castle...
- vyborg.travel dostoprimechatelnosti/vyborg_castle
- http://world.meros.uz en/wonder/view?id=551Vyborg Castle is a Swedish-built medieval fortress around which the town of Viborg (today in Russia) evolved.
- ermakvagus.com Europe/Russia/Vyborg Castle/Vyborg…A walking tour of the major sights of the city can be done in about three to four hours, with Vyborg Castle being the highlight of the tour.
- http://igordiksa.com ?p=2424&lang=enHaving estimated its crucial strategic location, the Swedes founded a castle on the island and called it Vyborg (Holy fortress).
- m.wikidata.org wiki/Q2272243list of cultural heritage sites in Vyborg (Russia) — fortresses. ... Wine Cellar in Upper Yard of Vyborg Castle.
- vk.com vyborgcastle