Loviisa Land Fortress is an 18th-century earthen fortification located in Loviisa, Finland, constructed beginning in 1748. Built to defend Sweden's eastern border, this six-bastioned fortress features design elements named after members of the royal family. The fortress was completed under King Gustav III's mandate in 1775 and represents a well-preserved example of Scandinavian military architecture. Most of the original fortifications remain intact, offering visitors a glimpse into Swedish military history and the strategic importance of this coastal location during the period of regional tensions between Sweden and Russia.