Fredrikstad is a city located in Norway, known for its well-preserved fortress and charming old town. Founded in 1567, it is situated along the Glomma River and the Oslofjord, making it an important historical trading hub. The city features a mix of modern amenities and historical architecture, attracting both residents and tourists. The old town, called Gamlebyen, is one of the best-preserved fortified towns in Northern Europe. Visitors can explore cobblestone streets, quaint shops, and cafes, as well as the impressive Fredrikstad Fortress. The city also hosts various cultural events and festivals throughout the year, celebrating its rich heritage.