The County of Svartsjö, or ''Svartsjö län'' was a county in the
Kingdom of Sweden from 1787 to 1809. It was separated the
County of Stockholm and corresponds to the current
Ekerö Municipality
Ekerö Municipality () is a municipalities of Sweden, municipality in the Provinces of Sweden, province of Uppland in Stockholm County in east central Sweden. The name derives from the name of the main island within the municipality whose name is ...
.
Former counties of Sweden
{{Stockholm-geo-stub