Persistent postural-perceptual dizziness (PPPD) is a new diagnosis for functional chronic dizziness and included in the new International Classification of Diseases (ICD)-11. The new criteria are positive, specific and make it easier to identify and study functional chronic dizziness. PPPD is a condition triggered by vestibular-, neurological- or psychological conditions. This review examines the symptoms, pathophysiology and treatment of PPPD.