Côn Đảo Prison
Côn Đảo Prison, also Côn Sơn Prison, is a prison on Côn Sơn Island the largest island of the Côn Đảo archipelago in southern Vietnam today it is in Bà Rịa–Vũng Tàu Province. The prison was built in 1861 by the French colonists to jail those considered especially dangerous to the colonial government.