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.
Easton’s Bible Dictionary
Hierapolis
Name meaningholy city
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.