The Swedes became entrenched in a fortress on a tiny island near where the Neva flows from the lake. Peter was able to wrest this island fortress from Swedish control and rename it Shlissel’burg.
Rootslased kaitsesid end Neeva lätetel asuva tillukese saare kindluses, mille Peeter I suutis vallutada, nimetades selle ümber Schlüsselburgiks.