Sacred city, a city of Phrygia, where was a Christian church under the care of Epaphras (Col. 4:12, 13). This church was founded at the same time as that of Colosse. It now bears the name of Pambuk-Kalek, i.e., “Cotton Castle”, from the white appearance of the cliffs at the base of which the ruins are found.
Hierapolis
1 verse
Colossians
Colossians 4:13
For I bear him record, that he hath a great zeal for you, and them that are in Laodicea, and them in Hierapolis.
From Easton's Bible Dictionary
Matthew George Easton, 1897