Fort Fredrick is a fort built by Portuguese at Trincomalee, Sri Lanka in 1624. It is said to built from the debris of an ancient Hindu temple that was destroyed by the Portuguese.
The Portuguese fort that stood where the current Negombo Fort is situated was mostly destroyed by cannon during the Dutch siege in 1644. The Dutch fort was built on its ruins, not on the usual square pattern, but on a pentagonal one, though it had only four bulwarks. The fifth one was never bui
Situated on the south side of the Jaffna peninsula at the water’s edge of the lagoon, the ancient Jaffna Fort is the second largest existing fort in the Island. Originally built by the Portuguese in 1619 and re-built and expanded by the Dutch during the second half of the 17th and the 18th centuries.
Fort Ostenburg is believed to be the fort buit by King Rajasinghe II who ruled this country for 52 years (1635-1687) to attack the Portuguese at Fort Fedrick.