List of Chinese flags

This is a list of flags of entities named "China". 
Provinces.
The PRC-controlled mainland does not have provincial flags, but the ROC-controlled areas have flags for two provinces.
City and county flags.
As of 18 November 1997, the Chinese Government banned localities from making and using local flags and emblems. Despite the ban, some cities have adopted their own flag that often includes their local emblem as shown below. The ROC-controlled areas continues to use the respective flags.
Proposed national flags of the People's Republic of China.
In July 1949, a contest was announced for a national flag for the newly founded People's Republic of China (PRC). From a total of about 3,000 proposed designs, 38 finalists were chosen. In September, the current flag, submitted by Zeng Liansong, was officially adopted, with the hammer and sickle removed.
Other historical flags.
Note that Hong Kong and Macau were handed over to the People's Republic of China in 1997 and 1999 respectively.