Suomenlinna Sea Fortress, Espoo Travel Guide

Suomenlinna Sea Fortress is an 18th-century maritime fortress and a UNESCO World Heritage site located on a cluster of islands just off the coast of Helsinki. Originally named Sveaborg (Fortress of Sweden), its construction began in 1748 under Swedish Admiral Augustin Ehrensvärd to defend against Russia. Over the centuries, the fortress has been under the rule of three different states: the Kingdom of Sweden, the Russian Empire, and the Republic of Finland.Throughout its history, Suomenlinna has played a key role in the region's political and military activities. In 1808, it was surrendered to Russia during the Finnish War and served as a Russian military base. After Finland gained independence in 1917, the fortress was renamed Suomenlinna (Fortress of Finland) and became a symbol of Finnish sovereignty.Today, Suomenlinna is a suburb of Helsinki, home to around 800 residents, and a popular tourist attraction. Visitors can explore its six kilometers of walls, 100 cannons, tunnels, and parks. The fortress also houses several museums, including the Suomenlinna Museum, the Military Museum of Finland, and the Submarine Vesikko. The island is accessible year-round by public transport, with a ferry operating from the Market Square.