A locational information transmission apparatus that transmits information for identifying a location is provided. The locational information transmission apparatus includes a radio communication unit that performs radio communication; a sound wave transmitting unit that transmits a sound wave including first identification information; a radio wave transmitting unit that transmits a radio wave including second identification information; and a transmission control unit that changes, depending on control information reported via the radio communication, a method of transmitting the sound wave or a method of transmitting the radio wave.