President of the Republic of Azerbaijan Ilham Aliyev has received a delegation led by EU Special Representative for the South Caucasus Toivo Klaar. The head of state hailed the successful development of Azerbaijan-EU cooperation. President Ilham Aliyev pointed to the European Commission Vice-President for Energy Union, co-chair Maros Sefcovic's participation in the 4th Ministerial Meeting of the Southern Gas Corridor Advisory Council in Baku.