DYH 2010 Annual Report    About DYH Doğan Yayın Holding 2010 Annual Report PDF Doğan Yayın Holding Web-based report Active in fields ranging from media to telecommunications, from industry and energy to tourism, the Doğan Group ranks among Turkey’s leading business conglomerates. Doğan Group includes Doğan Şirketler Grubu Holding A.Ş., active in the fields of energy, tourism, industry, trade and marketing; and Doğan Yayın Holding A.Ş. involved in media and related areas.