Bulgarian President Rosen Plevneliev will pay an official visit to Austria on September 17 to participate in the Austrian Economic Forum, a presidential statement said. The statement said that Plevneliev will be accompanied by a delegation comprising ministers of economy and regional development, in addition to a number of businessmen and representatives of public and private Bulgarian companies. Plevneliev, during the visit, will hold talks with the Austrian political leaders on the enhancing bilateral relations and the possibilities of increasing the Austrian investments in Bulgaria.