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He was born a slave at Hierapolis , Phrygia ( present day Pamukkale , Turkey ) and lived in Rome until his banishment , when he went to Nicopolis in northwestern Greece for the rest of his life .
 Hierapolis, Phrygia, Pamukkale, Turkey, Rome, Nicopolis, Greece
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Hierapolis, Phrygia, Pamukkale, Turkey, Rome, Nicopolis, Greece