315099
Geography Neighboring tambon are Phon Suang ( Si Songkhram district ) to the north and east and Na Wa to the south and west .
 Si Songkhram district, Na Wa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Si Songkhram district, Na Wa