A communication system according to the present disclosure includes: a management apparatus (30) configured to manage positional information regarding a communication terminal (10); a server (50) configured to provide a communication service for the communication terminal (10), and a control apparatus (60) configured to control start or stop of a communication function included in a communication apparatus (40). The server (50) is arranged in the vicinity of a base station (20), the management apparatus (30) transmits the positional information regarding the communication terminal (10) to the control apparatus (60), the control apparatus (60) controls start or stop of the communication function that the communication apparatus (40) includes based on the positional information, and the control apparatus (60) notifies the communication terminal (10) of start or stop of the communication function that the communication apparatus (40) includes via the management apparatus (30).