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The office is in partnership with the United Nations Public Administration Network ( UNPAN ) , which is operated by the Division for Public Administration and Development Management branch of the United Nations Department of Economic and Social Affairs .
 Nations, United Nations Department of Economic and Social Affairs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nations, United Nations Department of Economic and Social Affairs