Mahara Prison - Credit: Wikimedia Commons
Mahara Prison is a maximum security prison, and is one of the largest prisons in Sri Lanka. Situated in the old city of Mahara in the Western Province, it was built in 1875 by the British colonial government to ease the congestion at the Slave Island prison. It was used to house the prisoners employed in crushing stones at the Mahara quarry. The stone was used to construct the Port of Colombo and its associated breakwaters. Since its establishment, it has had a police post attached to it. The prison is administered by the Department of Prisons. Read more on Wikipedia
Source: en.wikipedia.org