Sigiriya or Sinhagiri is an ancient rock fortress located in the northern Matale District near the town of Dambulla in the Central Province, Sri Lanka. Built for: King Kashyapa of Sri Lanka Location: Central Province, Sri Lanka‎ Elevation: 349 m (1,145 ft) UNESCO WORLD HERITAGE SITES OF SRI LANKA SIGIRIYA – 2023 First Day Cover Date of Issue : 2023-06-15 Dimension : 190mm x 115mm Number of Stamps : First Day Cover with 4 Stamps pasted Handling time : 1 Business Day Shipping Duration : 10 – 25 Days Shipping Service : Sri Lanka Post – Economy Post