In this tutorial, we will learn the neuroanatomy of The Papez Circuit. Key structures: medial temporal lobe, corpus callosum, hypothalamus, basal frontal lobe, hippocampus, mammillary nuclei, anterior nucleus of the thalamus, anterior cingulate gyrus, neocortex, entorhinal cortex, fornix, mammillothalamic fibers, thalamocortical fibers, cingulum.