Proper noun
A prefecture-level city in Anhui, China.
(China, historical) A principality between the Huai and Yangtze rivers during the Han Dynasty.
(China) The region of China between the Huai and Yangtze rivers generally.
Source: en.wiktionary.orgDuring the conference, cities of Hefei, Wuhu, Bengbu, Huainan, Lu'an and Tongcheng introduced their local environments for innovation and entrepreneurship, and released their needs for high-level talents and projects. Source: Internet