Third Arab Economic Summit 2013 was held in __________?

Riyadh
Recently, the Saudi Arabia Finance Minister Ibrahim Al-Assaf has said that the Arab foreign ministers have finalized a draft agreement on inter-Arab investments to be presented for the approval of the heads of states at the third Arab Economic Summit in Riyadh. The minister said that the agreement, if approved, would allow the free flow of Arab capital and investments in member countries. It will take into account legislation and systems regulating economic activities and protection of the environment.