Is there Jieyang County in the Southern Song Dynasty ... Urgent! !

Jieyang, alias "Rongcheng", is a city under the jurisdiction of Guangdong Province, located in the east of Guangdong Province. Rongjiang runs through the urban area, bordering Shantou and Chaozhou in the east, Shanwei in the west, Nanhai in the south and Meizhou in the north. Enjoy local legislative power.

That's what encyclopedia history says. Jieyang is an ancient city in eastern Guangdong, a famous historical and cultural city in Guangdong Province, and one of the oldest counties in Guangdong Province. It has a long history of more than 2,200 years. Rongjiang Valley in China was once the regional center of ancient eastern Guangdong and southern Fujian, and the birthplace of Chaoshan culture.

In the tenth year of Shaoxing in the Northern Song Dynasty (1 140), Jieyang County was established. At the end of the Southern Song Dynasty, hundreds of thousands of Fujian Putian people migrated to Chaoshan because they fled the war. Jieyang in Ming Dynasty belonged to Chaozhou Prefecture. So there should be Jieyang in the Southern Song Dynasty.