The Prison of Pignerol is a historic fortress located in the town of Pignerol, Italy. Built in the 17th century, it served as a state prison for political prisoners and notable figures. The prison is known for its high walls and secure design, which made escape nearly impossible. One of the most famous inmates was Count of Monte Cristo, a character created by author Alexandre Dumas. The prison's reputation for secrecy and confinement has made it a subject of interest in literature and history, reflecting the harsh realities of imprisonment during that era.