The Fortifications of Belgium refer to a series of military structures built to defend the country from invasions. These fortifications date back to the 19th century and include a mix of walls, bastions, and forts, particularly around cities like Brussels, Antwerp, and Namur. They were designed to protect against threats from neighboring countries and played a significant role in various conflicts. One of the most notable examples is the Brussels Fortifications, which were constructed to enhance the city's defenses. The fortifications reflect Belgium's strategic importance in Europe and its history of military conflicts, showcasing the evolution of military architecture over time.