5303
The city itself grew around the heavily fortified Diocletian 's Palace the emperor had built in anticipation of his retirement .
 location: Diocletian 's Palace
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Diocletian 's Palace