As of 2018, the first-, second- and third-tier cities in Guangdong Province are as follows:

1. The first-tier cities in Guangdong Province are: Shenzhen and Guangzhou.

2. The new first-tier cities in Guangdong Province are: Dongguan City.

3, Guangdong Province's second-tier cities are: Foshan City, Huizhou City, Zhongshan City.

4. The third-tier cities in Guangdong Province are: Zhuhai, Shantou, Jiangmen, Jieyang, Zhanjiang, Zhaoqing and Chaozhou.

Nationally*** 338 cities above prefecture level (April 2018): 4 first-tier cities, 15 new first-tier cities, 30 second-tier cities, 70 third-tier cities, 90 fourth-tier cities, and 129 fifth-tier cities.

Extended Information

Guangdong Province is located in the southernmost part of mainland China. East neighboring Fujian, north of Jiangxi, Hunan, west of Guangxi, south of the South China Sea, the Pearl River estuary east and west, respectively, with Hong Kong, Macao Special Administrative Region, southwest of Leizhou Peninsula across the Qiongzhou Strait and Hainan Province. From Chizaiyu Island in Nanao County, Nanpeng Liedao in the east to Liangpo Village in Jijia Town, Leizhou City in the west; from Shangao Village in Baishi Township, Lechang County in the north to Dengloujiao in Jiaowei Township, Xuwen County in the south.

As of 2018, Guangdong has 21 prefecture-level cities, 65 municipal districts, 20 county-level cities, 34 counties and 3 autonomous counties .

Baidu Encyclopedia - List of Newly Classified Cities in China

Baidu Encyclopedia - Guangdong