Lewis & Short

Hĭĕrāpŏlis, is, f., = Ἱεράπολις. A city of Great Phrygia, now Pambouk Kaleh, Vitr. 8, 3, 10; Plin. 2, 93, 95, § 208; Vulg. Col. 4, 13.
Hence,

    1. 1. Hĭĕrāpŏ-lītae, ārum, m., the inhabitants of Hierapolis, Plin. 5, 29, 29, § 105.
    2. 2. Hĭĕrā-pŏlītāni, ōrum, m., the same, Macr. S. 1, 7; Dig. 43, 20, 1.