The Exotic Erotic Ball (often referred to as The Ball or Perry Mann's Exotic Erotic Ball) is held annually around Halloween time (usually the weekend before Halloween Night) in the San Francisco Bay area of California and is the longest-running public adult-themed event in the world. The annual indoor event has become a major attraction in the San Francisco Bay and has been attended by nearly half a million people since its inception with steadily increasing growth in attendance each year.