Turkey, Iran and Pakistan founded the organization in 1985.
He said the organization should give priority to communication and infrastructure projects.
Erdoğan also touched upon the issue of terrorism in Afghanistan.
The secretary general was in Pakistan for the ongoing 13th ECO summit.
Turkish president Erdogan, who arrived here in capital to attend the 13th ECO summit met premier Nawaz Sharif.
Sharif said ECO Vision-2025 sets pragmatic and realistic goals along with implementation framework. "We, particularly, can not ignore the Upper Karabakh issue", Erdoğan said. He hoped that the member states would continue to work in harmony for the continued prosperity of the people of the region. Pakistan says the presidents of Tajikistan, Turkmenistan and Azerbaijan, as well as the prime ministers of Kazakhstan and Kyrgyzstan and the deputy prime minister of Uzbekistan are scheduled to attend. This includes construction of the world's largest airport in Istanbul.
He also expressed thanks to citizens of twin cities of Islamabad and Rawalpindi for their cooperation during Summit. He appreciated President Ilham Aliyev of Azerbaijan for ably steering the ECO since the 2012 summit in Baku.
According to PakistanTribe correspondent Hassan Rouhani informs while addressing the 13 ECO conference of the head of the states in Islamabad that economic activities are being transferred from the west to the east.
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"The ECO region is rich in resources and capabilities".
He said 21st century is the era of emerging economy of Asia. The summit's theme is "Connectivity for Regional Prosperity".
Hassan Rouhani said Iran is ready to play its role in solidifying the Economic Cooperation Organization. Being a founding ECO member, Pakistan was committed to the ECO objectives, he said.
He said the member states would collectively endeavour to build and promote connectivity in multiple domains.
He said we can meet the challenges of poverty and other challenges through implementing a joint strategy.
Iranian Foreign Minister Mohammad Javad Zarif is planned to take part in the COM and grant its periodical chairmanship to Pakistan's Advisor to Prime Minister on Foreign Affairs Sartaj Aziz.
The adviser said initiatives for educational, scientific exchange and cultural exchange within the ECO will also be discussed. "These numbers are not commensurate with what we could achieve through greater integration and connectivity".
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