Public security bureau (China)

In the People's Republic of China, a public security bureau (PSB) is a kind of government office. These offices acting as a Police stations. Smaller offices are called "Police posts". These are similar Japanese Kōban.
PSBs in each province and large city take care of policing law enforcement, public security, and social order. Other duties of such offices include residence registration as well as immigration and travel affairs of foreigners.