A train presence detection apparatus includes an information acquisition unit to acquire position information on a first end point and a second end point located in a first line section formed in a loop and virtual block presence/absence information indicating whether a virtual block indicating a specific position in the first line section is included in a designated section that is any of a first section and a second section in which the first end point and the second end point are located at both ends; a designated section determination unit to determine which of the first section and the second section is the designated section based on the position information on the first end point and the second end point and the virtual block presence/absence information; and a presence determination unit to determine whether a train is present in the designated section.