The Afghanistan-Iran border is 572 miles in length and runs ... which places Iran on the map of major oceanic commerce routes. The port, situated in Sistan, one of Iran’s least developed ...

Iran’s president warned Afghanistan's Taliban rulers on Thursday not to violate water rights of the Iranian people over their shared Helmand River, the state-run IRNA news agency reported..

For one, Iran has been accused of supplying weapons to Taliban rebels operating along the Afghanistan-Pakistan border. Allegations have been tempered in recent months, but experts nonetheless see ...

Iran and Afghanistan called for increased cooperation during a trip to Kabul on Sunday by Tehran's foreign minister, the ...

Iran demanded on Thursday that Afghanistan respect its “water rights,” charging that an upstream river dam there is restricting the flow into a lake that straddles their common border.

Iran and Afghanistan share a border about 950 kilometers (590 miles) long that is difficult to secure. In places, it runs across high mountains and is not suited to deploying border guards.

When Iranian officials speak of "illegal foreigners," they usually mean migrants from Afghanistan. Iran and Afghanistan share a 900-kilometer (560-mile) long border, parts of which run through ...