8878
The constituency is in South Wales , situated on the right bank of the River Afan , near its mouth in Swansea Bay .
 South Wales, River Afan, Swansea Bay
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South Wales, River Afan, Swansea Bay