Jiuliancheng is a town in Dandong, located on the banks of the Yalu River. In the past, nine ancient city sites were connected together, so it was called Jiuliancheng. It was built in the Jin Dynasty. During the Ming and Qing Dynasties, China and North Korea were the only way to do business. Relics of the Liao Dynasty, the Jin Dynasty and the Yuan Dynasty were unearthed. Jiuliancheng is a steep terrain and a military heavy land on the border. Attractions include the Great Wall of Hushan, Ming Fort, Russian Tombs, Ancient Aihe Site, Jiuliancheng Site, etc.