The sarcophagus in the southern part of Myra church complex is thought to be the original burial place of saint Nicholas from where his remains were stolen by raiders from Bari in 1087.
Sources:
- https://www.theguardian.com/world/2017/oct/04/santa-claus-tomb-may-have-been-uncovered-beneath-turkish-church-saint-nicholas
- Charles W. Jones, "Saint Nikolaos of Myra, Bari, and Manhattan: Biography of a Legend" (Chicago: University of Chicago Press) 1978, pp. 176-193.