The city of Colombo inherits an antiquity of more than five centuries. Its origins as the commercial capital commences with the occupation of the Portuguese in 1505 followed by the Dutch and finally the British. Colombo is the center of the densely populated western province and the largest city in Sri Lanka. It is also the financial and commercial capital and almost all the major economic activities are centered here. When historical evidences are taken into consideration the city has developed in four different stages, namely Fort, Pettah, New Bazaar and suburban areas. The nomenclature Fort perhaps now misleading as there is no fortification to be seen in the city. The Dutch fortification existed have been removed by the British in the 19th century to ease the congestion the city centre.