Trincomalee is one of the world’s deepest natural harbors and this city is important due to its history. Trincomalee’s natural deep-water port has been the target for all kinds of attacks over the centuries.

Trincomalee’s fort was built by the Portuguese, then developed by the Dutch (Dutch VOC buildings like the ancient Dutch hospital, buildings with wooden pillars) and British. The ramparts built in the fort demonstrate the architectural value of the fort. Also, several constructions within the Trincomalee Naval Base, are demonstrating the ancient old colonial architecture in Sri Lanka.