Back اللجنة الرباعية حول الشرق الأوسط Arabic Квартет за Близкия изток Bulgarian Blízkovýchodní kvartet Czech Pedwarawd ar y Dwyrain Canol Welsh Mellemøst-kvartetten Danish Nahost-Quartett German Kvarteto pri la Mezoriento Esperanto Cuarteto de Madrid Spanish گروه چهارجانبه درباره خاورمیانه Persian Quartet pour le Moyen-Orient French
| Part of a series on the Israeli–Palestinian conflict |
| Israeli–Palestinian peace process |
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The Quartet on the Middle East or Middle East Quartet, sometimes called the Diplomatic Quartet or Madrid Quartet or simply the Quartet, is a foursome of nations and international and supranational entities involved in mediating the Israeli–Palestinian peace process. The Quartet consists of the United Nations, the United States, the European Union, and Russia. The group was established in Madrid in 2002, recalling the Madrid Conference of 1991, as a result of the escalating conflict in the Middle East.