Hue Citadel is situated on the Northern bank of the Perfume River. With an area of 500ha and a system of three circles of ramparts, namely from outside to inside: Kinh Thanh Hue (Hue Capital Citadel), Hoang Thanh (Royal Citadel) and Tu Cam Thanh (Forbidden Citadel). Hue has chosen to be the capital city of…