UNRWA (the United Nations Relief and Works Agency for Palestine Refugees in the Near East) provides assistance, protection and advocacy for some 5 million registered Palestine refugees in Jordan, Lebanon, Syria and the occupied Palestinian territory, pending a solution to their plight. It was founded in 1949.
See:
United Nations Relief and Works Agency for Palestine Refugees in the Near East. "
About UNRWA." Accessed April 24, 2013.