Correct
长安
/ chángān /
Strokes
Definition
Chang'an (ancient name of Xi'an 西安[xī ān]) capital of China during Tang Dynasty 唐朝[táng cháo]/now 长安区[cháng ān qū], a district of Xi'an
Example
As a Noun
Chang'an ［ancient capital of China in 13 feudal dynasties, including the Han, Sui and Tang dynasties, located in today's Xi'an and its environs］
As a Noun
capital