First, a control device determines a reproduction-display device, from which the control device has been able to obtain neighborhood device information via a short-range wireless communication section, to be located in the neighborhood of the control device, and registers this reproduction-display device to neighborhood determination information. Next, the control device detects the reproduction-display devices connected to a network, to which a content server is connected, using a network communication section and registers these reproduction-display devices to reproduction device registration information. The reproduction-display device, which is registered in both of the reproduction device registration information and the neighborhood determination information, is designated by priority, and reproduces and displays content.