A game mat according to an aspect of the present technology is a mat including: a mobile terminal antenna that receives a radio wave output by a reader/writer of a mobile terminal that communicates with a server that manages a game using an IC card; an IC card antenna that communicates with the IC card including an IC chip for an IC card in which reading/writing of data is performed contactlessly by a command transmitted from the reader/writer; a memory that stores a mat ID, which is identification information of a mat; and an internal IC chip that receives a command transmitted from the reader/writer and stores, into the memory in association with the mat ID, information regarding the game transmitted from the server. The present technology can be applied to a play mat of a card game using a smartphone having an NFC function and an IC card.