Which areas did the Reds control during the Finnish Civil War?

During the Finnish Civil War, which began on January 28, 1918, the revolutionary Reds seized control of Helsinki and the larger industrial towns located in southern Finland.12

This action forced the right-wing government to flee to the western part of the country, where they organized a counterattack under the leadership of General Carl Gustaf Mannerheim. The conflict concluded by May 1918 after the White Army secured key areas, including Tampere and Helsinki, with the assistance of German troops.12