Hell in the City
Nella città l'inferno (original)
A young girl comes to prison and experiences the entire prison subculture. The inmates she befriends vary from big tough dangerous dames to smaller submissive ladies who are totally lost in prison life.
Starring Anna Magnani, Giulietta Masina, Myriam Bru, Cristina Gaïoni, Anita Durante, Milly, Marcella Rovena, Miranda Campa, Saro Urzì, Renato Salvatori
Watch "Hell in the City" on Amazon released in 1959. It's a comedy and drama movie, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.