Chairman of the National Assembly of Armenia Armen Khachatrian left for Kislovodsk to participate in the meeting of the parliament leaders of the Caucasian four to be held February 7-8. Chairman of the Council of Federation of the Federal Assembly of Russia Sergey Mironov, Georgian parliament head Nino Burjanadze and chairman of Azeri Milli Mejlis Murtuz Aleskerov will also take part in the meeting. As reported by the press service of the National Assembly of Armenia, the four parliament heads will discuss regional problems.