Sri Lanka is one of the largest islands in the Indian Ocean and lies approximately 20 miles to the southeast of the southernmost tip of India . Cities in sri lanka Commercial Capital is Colombo ,Other large cities - Jaffna, Kandy, Galle ,Ports - Colombo, Trincomalee, and Galle International Airport - Bandaranayake International(Katunayake)(20 miles from Colombo) Standard time in Sri Lanka is 5.5 hours ahead of GMT Tourist Attractions in sri lanka are:- Anuradhapura, Arugambay , bentota , beruwela , bundala national park, dambulla, ella , galle , Jaffna , kalkuda, kandy, nuwara eliya, sinharaja