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The Garhajis also form a majority of the population inhabiting the western and central areas of Sanaag region as well , including the regional capital Erigavo as well as Maydh .
 Garhajis, Sanaag, Erigavo, Maydh
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Garhajis, Sanaag, Erigavo, Maydh