According to one embodiment, an information display apparatus includes a display unit, a storage unit, a view point calculation unit, a region estimation unit, and an extraction unit. A scene surrounding the display unit is visible through the display unit. The storage unit is configured to store a location and a guide of each object existing in the scene. The view point calculation unit is configured to calculate a view point of a user observing the scene through the display unit. The region estimation unit is configured to estimate a region observed by the user in the scene, based on the view point. The extraction unit is configured to search an object existing in the region based on the location of the object, and to extract the guide of the object from the storage unit. The display unit displays the guide extracted.