Taproban

Sri Lanka (; ), officially the Democratic Socialist Republic of Sri Lanka, is an island country in the northern Indian Ocean which has been known under various names over time.
The oldest local name of Sri Lanka, found six centuries before Christ, is : Silam,Cosmas (Indicopleustes),
The Christian Topography of Cosmas, an Egyptian Monk: Translated from the Greek, and Edited with Notes and Introduction, Hakluyt Society, 1897, p. 363J. W. McCrindle, Hakluyt Society, Works Issued... plus