Place
Salamis
Identified location. The site is known today and most scholars agree on it.
A port on the east coast of Cyprus, the first stop of Barnabas and Saul on the island. They "preached the word of God in the synagogues of the Jews: and they had also John to their minister." This John is Mark, who later left them at Perga.
Who passed through
In story order. King James Version.
Place names, references and coordinates: STEPBible TIPNR, Tyndale House Cambridge (CC BY 4.0), with coordinates from OpenBible.info. Map: Natural Earth (public domain).