30908
The centre of Croydon is very congested , and the urban planning has since become out of date and quite inadequate , due to the expansion of Croydon 's main shopping area and office blocks .
 Croydon, Croydon
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