Birjand Citadel is a historical fortress located in the city of Birjand, Iran. Built during the Qajar dynasty, it served as a military stronghold and a residence for local rulers. The citadel features impressive mud-brick architecture and is surrounded by high walls, showcasing the defensive strategies of its time. Today, Birjand Citadel is a popular tourist attraction, offering visitors a glimpse into Iran's rich history. The site includes various rooms, towers, and a central courtyard, reflecting the traditional Persian architectural style. It stands as a testament to the region's cultural heritage and historical significance.