EU high representative for foreign affairs and security policy and vice president of the European Commission, Federica Mogherini, together with commissioner for European neighborhood policy and enlargement negotiations, Johannes Hahn, and commissioner for humanitarian aid and crisis management, Christos Stylianides, will pay an official visit to Turkey this weekend.Stylianides will visit EU-funded humanitarian aid projects, aimed mainly at assisting refugees from Syria and Iraq in the regions most affected by the crisis.During the visit, Mogherini and Hahn will attend a high-level political dialogue meeting with Turkish counterparts in Ankara.