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Qasr ibn Wardan ( قصر أبن وردان in Arabic ) is a sixth-century military complex located in the Syria n desert , approximately northeast from Hama near the town of al-Hamraa .
 Syria, Hama
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Syria, Hama