A communication apparatus according to the present invention includes a storage unit that stores, when the communication apparatus is connected to a first wireless network at a predetermined position, information about the predetermined position, a detection unit that detects whether the communication apparatus exists within a predetermined range including the predetermined position, and a transmission unit that transmits predetermined information, for connecting another communication apparatus to the first wireless network, to the another communication apparatus using a second communication system with a lower power consumption than a first communication system used in the first wireless network in response to the detection unit detecting that the communication apparatus exists within the predetermined range.