What is "gao'an"

Gao'an is a city in the province of Jiangxi, China. It is a county-level city, under the jurisdiction of the prefecture-level city of Yichun. Gao'an is located about 35 kilometers west from Nanchang, the capital city of Jiangxi province. It covers an area of 2439.33 square kilometers and has an estimated population of 1 million people. In 1993, it became a city comprising 20 smaller towns. It is well known for calligraphy and a thriving ceramics industry.