The Nagorno Karabakh problem is included in the Istanbul Declaration at the recurrent conference of the Parliamentary Union of the Organization of the Islamic Conference (OIC), Azeri delegation member, Chair of Social Welfare Party of Azerbaijan, MP Hanguseyn Kyazymly reported. He remarked that Azeri delegation members addressed the Karabakh issue at the event in question. "This is our biggest achievement. Azeri representatives being included in three commissions of the OIC Executive Committee is another achievement," Kyazymly said. Problems of Islamic countries and solutions to these were discussed at the conference, he remarked. The event, in which 437 delegates from 47 countries took part, was organized April 8-13, Trend reports.