Senses
长安/ 長安 Chang'an
The capital of China during many historical dynasties, including the Han and Tang dynasties; the ancient name of present-day 西安 .
长安/ 長安 Chang'an District
A district in the southern part of modern 西安 .
长安/ 長安 the capital city
(literary) Used as a general term for the capital city of a country.
长安/ 長安 Chang'an era
The era name of Empress Wu Zetian (reign period 701–704 AD)