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The Karaagach ( ) is a small river in south-eastern Bulgaria which flows to the south of the town of Kiten on the territory of the Tsarevo municipality .
 Kiten, Tsarevo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kiten, Tsarevo