A position detection sensor unit is provided, including: a sensor substrate on which conductors for detecting a position pointed to by a pointer are disposed; and a position pointing operation member having a first face, on which a position is to be pointed to by the pointer, and a second face on the opposite side of the first face on which the sensor substrate is fixed. A flexible cable is extended from the sensor substrate so as to be connected to a signal processing circuit for determining a position pointed to by the pointer. A portion of the flexible cable, corresponding to a predetermined length extending from an end edge of the position pointing operation member toward the interior of the position pointing operation member along the direction in which the flexible cable extends, is arranged to be movable away from the second face of the position pointing operation member.