Public nudity or nude in public (NIP) refers to nudity

Nudity

Nudity is the state of wearing no clothing. The wearing of clothing is exclusively a human characteristic. The amount of clothing worn depends on functional considerations and social considerations...

 not in an entirely private context. It refers to a person appearing nude in a public place or to be seen from a public place. It also includes nudity in a semi-public place, where the general public is free to enter, such as a shopping mall. Nudity in the privacy

Privacy

Privacy is the ability of an individual or group to seclude themselves or information about themselves and thereby reveal themselves selectively...

 of a person's home or private grounds or facilities is not public nudity, nor is nudity at privately owned facilities, such as fitness

Physical fitness

Physical fitness comprises two related concepts: general fitness , and specific fitness...

 facilities, swimming pool

Swimming pool

A swimming pool, swimming bath, wading pool, or simply a pool, is a container filled with water intended for swimming or water-based recreation. There are many standard sizes; the largest is the Olympic-size swimming pool...

s, sauna

Sauna

A sauna is a small room or house designed as a place to experience dry or wet heat sessions, or an establishment with one or more of these and auxiliary facilities....

s, or gym

Gym

The word γυμνάσιον was used in Ancient Greece, that mean a locality for both physical and intellectual education of young men...

nasia, nudist or naturist clubs or resorts, when nudity at those places commonly takes place.