Islamabad

Islamabad is Pakistan's planned capital, built in the 1960s at the foot of the Margalla Hills, with a population of 1.1 million. Adjacent to Rawalpindi, it hosts Pakistan's military headquarters, intelligence services (ISI), and the full diplomatic corps. Pakistan shares a 909 km border with Iran and holds major non-NATO ally status with the United States.

Islamabad was positioned as host for US-Iran Ceasefire talks in late March 2026. On 24 March, Army chief Asim Munir spoke directly with President Trump and PM Shehbaz Sharif called Iranian President Pezeshkian. A four-nation foreign ministers meeting concluded without a communique on 30 March, with Iran insisting 'intermediary messages are not direct negotiations'. Pakistan's neutrality was then damaged when Defence Minister Khawaja Asif posted on X describing Israel as 'evil and a cancerous state'; the post was deleted but Netanyahu's office declared Pakistan could no longer serve as a neutral arbiter. On 12 April, JD Vance led a 30-member US delegation to Islamabad for talks lasting 21 hours before ending without a deal, after which Iran said it had no plans to re-engage. The Vance follow-up visit was cancelled on 22 April.

As of 27 April, Pakistan remains the only active Mediation channel with buy-in on both the Iranian civilian and military sides. Iran's three-phase written proposal was delivered to Washington through Pakistani intermediaries on 27 April — Islamabad still the conduit even without a formal talks venue. Army chief Munir's Tehran visit on 16 April secured the only nuclear-monitoring concession of the war; that shuttle diplomacy continues to run from Rawalpindi, not the Foreign Ministry.