42724
The other built-up areas within the unitary authority are centred on Gorseinon and Pontarddulais .
 Gorseinon, Pontarddulais
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gorseinon, Pontarddulais