In this video, the hippocampal formation is described in detail. The location of the hippocampal formation is explained on MRI. The components of hippocampal formation i.e., dentate gyrus, hippocampus proper, and the subiculum are discussed extensively. In the end of the video, the circuity of hippocampal formation is elucidated. 0:13 Introduction 1:13 Components 2:31 Circuitry of hippocampal formation