Citadel Hill is a historic site located in Halifax, Nova Scotia. It features a star-shaped fortress built in the 18th century, originally designed to protect the city from naval attacks. The site offers panoramic views of the surrounding area and is a popular destination for both tourists and locals. Today, Citadel Hill is a National Historic Site of Canada, showcasing military history through guided tours and reenactments. Visitors can explore the fortifications, learn about the British Army presence in the region, and see the iconic Royal Artillery gun that fires daily at noon.