30938
According to the 2011 census , Croydon had a population of 363,378 , making Croydon the most populated borough in Greater London .
 Croydon, Croydon, Greater London
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Croydon, Croydon, Greater London