Citadels

15th-century Inca citadel in the Peruvian Andes and UNESCO World Heritage Site

thumb|In this seventeenth-century plan of the fortified city of Casale Monferrato the citadel is the large star-shaped structure on the left.

citadel in Lahore, Pakistan

citadel and archaeological settlement hill in Erbil, Iraqi Kurdistan

citadel in Victoria, Gozo

colossal fortress in San Juan, Puerto Rico

castle in Kirkuk, Iraq

citadel in Tripoli, Lebanon

citadel constructed in 1572, partially deconstructed in 1577-1585, then rebuilt