In a statement, he said Afghan president had the opportunity to discuss bilateral issues with the Pakistani leadership during the visit.
The conflict between the two South Caucasus countries began in 1988 when Armenia made territorial claims against Azerbaijan.
The advisor said there is need to increase the membership, scope and activities of ECO Trade and Development Bank as well as ECO Re-Insurance Company.
US, Russia set to clash over Syria sanctions
After meeting with de Mistura, Hamza Monzer said his group wanted to move from "a situation of paralysis to action". The opposition wants to discuss "political transition" because they see it as an end to Assad's autocratic rule.
The leaders adopted the Islamabad Declaration and the ECO Vision 2025 at the 13th summit of the ECO, highlighting the group's "pragmatic and tangible organizational targets", reports Xinhua news agency.
Prime Minister Sharif said it was the active participation by the members manifested their desire and commitment to transform the ECO into a vibrant regional bloc.
Iranian President Hassan Rouhani will also attend the ECO summit on Wednesday.
Samsung chief Lee Jae-Yong indicted in bribery scandal
Shares of Samsung Electronics closed Tuesday at 1,922,000 won ($1,694.89), up 19,000 won or 1 percent from the previous session. Also facing similar charges are Samsung's vice-chairman, Choi Gee-sung, and its president, Chang Choong-ki.
He also identified the priority areas for ECO to help realize the dream of transforming the organisation into a strong economic block. He hoped that the member states would continue to work in harmony for the continued prosperity of the people of the region. Till the filing of the report, President of Azerbaijan Ilham Aliyev, Iranian President Hassan Rouhani, Tajik President Emomali Rahmon, Turkish President Recep Tayyip Erdogan and Prime Minister of Kyrgyzstan Sooronbay Sharipovitch Jeenbekov had reached Islamabad. Being a founding ECO member, Pakistan was committed to the ECO objectives, he said.
Over the weekend, Pakistan's Adviser on Foreign Affairs Sartaj said that Pakistan and Afghanistan were negotiating a joint mechanism for dealing with concerns over terrorism.
On Tuesday, several ministers from ECO member states gathered in Islamabad for preparatory meetings. He said ECO countries have friendly ties with China in terms of cultural linkages, proximity, and old China Silk Road.
Eight-Year-Old Shot To Death On Sam Houston Parkway Early Saturday
Latoyia Thomas told KPRC-TV the Pontiac's driver abandoned the wreck and got into the third vehicle , a dark, four-door sedan. Police say an 8-year-old girl has been fatally shot after the vehicle she was in was involved in a auto crash in Houston .