The Kronverk, is a ground fortification for the Sts. Peter and Paul Fortress in Saint Petersburg, in which country?
Kronverk The Kronverk (Russian: Кронверк, from the German word for Crownwork) is a ground fortification for the Sts. Peter and Paul Fortress in Saint Petersburg, Russia. The Kronverk is situated on Petrogradsky Island, across the Kronverksky Strait from the Peter and Paul Fortress. It was built in 1705-08, with reconstructions in 1752 and 1800.
Trångsund Fortress Trångsund Fortress (Russian: Крепость Тронгзунд , Finnish: "Uuraan linnoitus" ) is a naval fort by the Vyborg Bay in the town of Vysotsk, Leningrad Oblast, Russia. It was established by Peter the Great in 1710 to secure the town of Vyborg which was captured from Sweden during the Great Northern War.