List of former national capitals

Columns: Old capital city | Country | Today a part of | From | Until | Change , reason
Anyang | Shang dynasty | China | c. 1600 BC | c. 1046 BC | moved to Chang'an - end of Shang Dynasty | Chang'an | Zhou dynasty | China | c. 1046 BC | 722 BC | moved to Luoyang | Loyang ( Luoyang ) | Zhou dynasty | China | 772 BC | 221 BC | moved to Xianyang - fall of Zhou Dynasty | Xianyang | Qin dynasty | China | 221 BC | 206 BC | moved back to Chang'an - fall of Qin Dynasty | Chang'an | Han dynasty | China | 206 BC | 25 | moved back to Luoyang | Loyang ( Luoyang ) | Han dynasty | China | 25 | 220 | Fall of the Han Dynasty marking the beginning of the Six Dynasties period | Chang'an | Sui dynasty and Tang dynasty | China | 581 | 907 | fall of the Tang dynasty marking the beginning of the Five Dynasties and Ten Kingdoms period

Example questions:
What is the area of the city that was the former national capital of the Qin dynasty in East Asia from 221 BC to 206 BC ? | Which region is the city that was the former national capital of the Ming dynasty in East Asia from 1368 to 1421 situated ? | Which plain is the city that was the former national capital of the Han dynasty in East Asia from 206 BC to 25 on ? | Which rivers is the city that was the former national capital of the Han dynasty in East Asia from 25 to 220 on ?

Answers:
10,213 square kilometres | Yangtze River Delta | Guanzhong Plain | Luo River and Yellow River