Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Vårbyfjärden (Swedish for "inlet of Vårby") is a strait in south-eastern Lake Mälaren south-west of Stockholm in Sweden.Vårbyfjärden separates Ekerö island and Ekerö Municipality north of it, from Södertälje and Huddinge Municipalities south of it and Stockholm Municipality on its western side. South of Vårbyfjärden is Albysjön, Of the three islands in the bay, Estbröte, appears in the Chronicle of Eric. In 1206, the wife of the legendary Jarl Jon Jarl caught a band of Estonian pirates on the island and had them all executed as a revenge for her husband''s death.