What is the worlds largest prison?
Rikers Island
Rikers Island () is New York City's main jail complex, as well as the name of the island on which it sits, in the East River between Queens and the mainland Bronx, adjacent to the runways of LaGuardia Airport. Supposedly named after Abraham Rycken who bought the island in 1664, the island is home to one of the world's largest correctional institutions and mental institutions and has been described as New York's most famous jail. The island was originally under in size, but has since grown over four times to more than . Much of the first stages of expansion was accomplished by convict labor hauling in ashes for landfill. The island itself is politically part of the Bronx, though it is included as part of Queens Community Board 1 and has a Queens ZIP Code of 11370.
Waldheim prison
Waldheim Prison in Waldheim, Saxony , about 30 km north of Chemnitz, was once the largest penitentiary in Saxony and is the oldest prison still in operation in Germany. It was opened in April 1716 under Augustus II the Strong. There are now 395 places for men.