Star-shaped well defence fort that originally built by Portuguese and late it has been significantly developed by Dutch. This amazing place bounded to lagoon and landside. It was highly important place during the colonial time. There are well shaped and furnished five-sided inter defence fort build with high thick and that was built to increase the defence. Also higher ramparts one of major strategy that followed by the Dutch. The bastions were well planned and use that strategy in an appropriate way. Also during the first planning stage Portuguese able to use the best geographical resources of ground level. The original design was perfectly developed upon on later defence requirement by Dutch. British were upgraded this fort as an administrative place. After that during the British ruling time, they also developed the fort in a significant way. The star-shaped fort able to secure the peninsula from any outside attack. This amazing fort has been destroyed during the war with L.T.T.E carders. Now restoration works have been started on here. Now many parts built with its own identified features. Spending time on Jaffna fort makes more amazing breathtaking views because sunset can be enjoyed in here in a wider angle.