"Virtsu is a small borough (alevik) in Hanila Parish, Lääne County, Estonia. It lies on the Western coast of continental Estonia, and a location of the main port for traffic to and from Saaremaa, the largest island of Estonia. The corresponding port on Saaremaa's side is Kuivastu, located on the island of Muhu. Muhu and Saaremaa are distinct islands, but are connected with the largest causeway in Estonia, the Väinatamm."
