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In 1197 , local lord Dobromir Chrysos established himself in region of Vardar Macedonia , defying the imperial power for several years .
 Dobromir Chrysos, Vardar Macedonia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dobromir Chrysos, Vardar Macedonia