A process is performed by linking communication information acquired by Near field radio communication from a client device with position information of the client device. An information processing device (1) includes an association unit (211) configured to: acquire via an NFC unit (112) configured to perform Near field radio communication, terminal information held by an NFC terminal; acquire touch information including information on a position on the touch panel (111), the NFC terminal coming into contact with the position; and associate the terminal information and the touch information and store a result of the association.