During the meeting, Aziz said that the strategic partnership between Pakistan and the United States is of utmost importance to achieve peace and stability in the region.
Foreign Affairs Adviser Sartaj Aziz met on Sunday a five-member delegation of United States senators led by Senator John McCain here.
McCain, a former USA presidential candidate, said on July 2 during a visit to Islamabad that "we will not have peace in the region without Pakistan".
McCain was accompanied by a bipartisan group of senators - Lindsey Graham, Elizabeth Warren, Sheldon Whitehouse, and David Perdue.
A statement from the military said they were also briefed on border security, including Pakistan's bid to fence the frontier with Afghanistan.
Meanwhile, Pakistan's ministry of foreign affairs said in a statement that Pakistan remained committed to supporting efforts for lasting peace and stability in Afghanistan.
Aziz also said that Pakistan was ready to strengthen and deepen its partnership with the U.S to counter emerging terrorism threats including the expanding footprint of Daesh in the region.
They agreed with the need for the U.S. and Pakistan to forge closer cooperation in confronting the peace and security challenges in the region and beyond.
Aziz also raised concern over the inhumane activities of Indian forces in occupied Kashmir.
"Pakistan firmly believes in the legitimacy of the Kashmir cause and the peaceful struggle of the Kashmiri people to claim the right to self-determination promised to them by the global community through the UN Security Council resolutions", he added.
He underscored the significance of the longstanding cooperation between the two countries and the need to make this partnership diverse and multidimensional.
The senators appreciated the contribution and sacrifices made by Pakistan and the successes achieved in the fight against terrorism.
Aziz for his part vowed Pakistan remained committed to "constructive engagement" with the U.S. in the efforts to create a "stable and prosperous" Afghanistan.
The relationship between the USA and Pakistan has been strained at times with some in Washington believing Islamabad has not done enough to bring its influence to bear to persuade the Afghan Taliban to renounce violence.