Pompeiopolis (Greek: Πομπηιούπολις, city of Pompeius) was a Roman city in ancient Paphlagonia, identified in the early 19th century with the ruins of Zımbıllı Tepe, located near Taşköprü, Kastamonu Province in the Black Sea Region of Turkey. The exact location is 40 km north-east of Kastamonu and a short distance across the river from modern Taşköprü, in the valley of the Gökırmak or Gök River (Greek: Αμνίας, Amnías). The borders of Pompeiopolis reached the Küre mountains to the north, Ilgaz mountains to the south, Halys river to the east and Pınarbaşı valley to the west.