Jiankang and Jianye: Both are Nanjing, the capital of Jiangsu Province today. Sun Quan built a stone town in Jiangdong and named it Jianye. After the reunification of the rulers, it was renamed Jianye. At the end of the Western Jin Dynasty, because the emperor was called Sima Ye, Jianye changed its name to Jiankang to avoid taboo.
Dadu: It was the capital of the Yuan Dynasty and Beijing today. Mongolian name is Kan Ballouk.
Ying Tianfu: There are two places called Ying Tianfu. Shangqiu City, Henan Province. Before Zhao Kuangyin proclaimed himself emperor, he was our envoy to Germany and ruled Songzhou (now Shangqiu). After the establishment of the Northern Song Dynasty, it was renamed Yingtianfu and later promoted to Nanjing Capital. Song Gaozong is here. Zhao Gao acceded to the throne. The other is Nanjing, the capital of Jiangsu Province. During the Red Scarf Army Uprising at the end of Yuan Dynasty, Zhu Yuanzhang captured Qing Ji (now Nanjing) and renamed it Yingtianfu. Later, it became the capital and capital of the Ming Dynasty.
Kaifeng: It is today's Kaifeng City, Henan Province. During the Warring States period, it was called Daliang, which was the capital of Wei. Liang, Jin, Han and Zhou dynasties in the Five Dynasties all took it as their capital, which was called Tokyo in the Northern Song Dynasty and Beijing in the early Ming Dynasty. It is called the capital of Song Dynasty and Bianjing.