Tripolis on the Meander also Neapolis , Apollonia and Antoniopolis was an ancient city on the borders of Phrygia, Caria and Lydia, on the northern bank of the upper course of the Maeander, and on the road leading from Sardes by Philadelphia to Laodicea ad Lycum. (It. Ant. p. 336; Tab. Peut.) It was situated 20 km to the northwest of Hierapolis.
Ruins of it still exist near Yenicekent (formerly Yeniji or Kash Yeniji), a township in the Buldan district of Denizli Province, Turkey. (Arundell, Seven Churches, p. 245; Hamilton, Researches, i. p. 525; Fellows, Asia Minor, p. 287.) The ruins mostly date from the Roman and Byzantine periods and include a theater, baths, city walls, and a necropolis. An ancient church, dating back 1,500 years, has been unearthed in 2013.