What is the name of the river from which the ship has just left at the story beginning

One of the worst maritime disasters in European history took place a decade ago. It remains very much in the public eye. On a stormy night on the Baltic Sea, more than 850 people lost their lives when a luxurious ferry sank below the waves. From a mass of material, including official and unofficial reports and survivor testimony, our correspondent has distilled an account of the Estonia's last moments-part of his continuing coverage for the magazine of anarchy on the high seas