28055
It is also a natural region mostly contained in the province of Nuoro and located alongside the Gennargentu massif .
 province of Nuoro, Gennargentu
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 province of Nuoro, Gennargentu