281138
At the time however , the Byzantine Empire had a subject Arab population in the provinces of the Diocese of the East , a population that had undergone both Romanization and Christianization .
 location: Byzantine Empire
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Byzantine Empire 
Answer:
 location: Byzantine Empire