The Citadel of Oradea is a historic fortress located in Oradea, Romania. Built in the 12th century, it has undergone several renovations and expansions over the centuries, reflecting various architectural styles, including Renaissance and Baroque. The citadel served as a military stronghold and played a significant role in the region's defense. Today, the citadel is a popular tourist attraction, showcasing its impressive walls, towers, and bastions. Visitors can explore the well-preserved structures and enjoy panoramic views of the surrounding area. The site also hosts cultural events and exhibitions, making it a vibrant part of Oradea's heritage.