He stated this while inaugurating the first meeting of the Quadrilateral Coordination Committee on Afghan peace process in Islamabad on Monday. Representatives of Pakistan, Afghanistan, China and the United States are participating in the meeting.
Pakistan is firmly committed to continue serious efforts for long-term peace and stability in the country, he added.
Aziz said Pakistan values its brotherly and neighbourly relations with Afghanistan.
The advisor said on 27th of last month, Chief of Army Staff General Raheel Sharif visited Afghanistan and had useful interaction with the Afghan side for strengthening the security and counter-terrorism cooperation through intelligence sharing and facilitating the Afghan peace and reconciliation process.
He said the meeting of the Quadrilateral Groups has a great significance.