Fort Gustav is a historic fortification located in Sweden, built in the 17th century. It was constructed to protect the city of Gustavus and its surrounding areas from potential invasions. The fort features thick stone walls and strategic positioning, making it a significant military structure of its time. Today, Fort Gustav serves as a popular tourist attraction, offering visitors a glimpse into Sweden's military history. The site includes guided tours, exhibitions, and reenactments that showcase life during the fort's operational years, allowing guests to experience the past in an engaging way.