foreign concession administered by a single country (in China)
Historical term referring to a concession in China governed exclusively by one foreign power, as opposed to a joint concession (共同租界).
See also: 共同租界
In Shanghai, there was once a British concession administered by a single country.
共同租界 refers to a concession jointly administered by multiple foreign powers, while 専管租界 is controlled by a single country.
Compound of 専管 (exclusive control) and 租界 (concession, settlement). The term is specific to historical foreign concessions in China.