less than 250,000 people from all over the world pass through the town each year. During 2010 Trosa celebrated 400 years as a town at its present location under the motto "Future since 1610". The metalcore band Adept (band) is from the town. Education Within Trosa locality there are four elementary schools (grades 1-6), two junior high schools (grades 7-9). Right now there are no plans to build or house a high school or university/college within the municipality. References Populated places in Södermanland County Populated places in Trosa Municipality Municipal seats of Södermanland County Swedish municipal seats Coastal cities and towns in Sweden