A display control device (2) according to this disclosure includes a storage unit (25) that stores subject identifiers and user identifiers in association with each other, an imaging unit (22) that generates device-side video information representing video obtained by capturing a subject included in an imaging range, a communication unit (24) that receives display video information and a user identifier from a user terminal and sends the device-side video information to the user terminal, a positional information acquisition unit (21) that acquires positional information including a subject identifier and a subject position, and a control unit that extracts the subject identifier, extracts a user identifier stored in the storage unit (25) in association with the subject identifier, and controls a display unit (27) to display a display video.