Saudi Crown Prince Mohammed bin Salman and Iran's foreign minister Abbas Araqchi discussed developments in the region at a meeting in Riyadh on Wednesday, the Saudi state news agency (SPA) reported.
Top oil exporter Saudi Arabia has had a political rapprochement with Tehran in recent years, which has helped ease regional tensions, but relations remain difficult.
Speaking earlier, a senior Iranian official said Araqchi would discuss bilateral issues and efforts to secure a ceasefire in Lebanon and Gaza on his visit, adding that he will also visit Qatar later in the day.
The Middle East has been on edge awaiting Israel's response to an Iranian missile strike last week, which Tehran carried out in retaliation for Israel's escalation against Iran-backed Hezbollah in Lebanon, in a conflict running in parallel to the Gaza war.
Earlier this week, Tehran told Gulf Arab states it would be "unacceptable" if they allowed use of their airspace or military bases against Iran and warned that any such move would draw a response, a senior Iranian official said.
Thousands of Venezuelans were feared dead on Thursday after two powerful earthquakes wreaked havoc in and around the capital Caracas, trapping people beneath the rubble of collapsed buildings and setting off powerful aftershocks.
President Donald Trump's administration has asked the US Congress on Wednesday for $87.6 billion in additional funding, most of it related to the Iran war, setting the stage for another fight with lawmakers already frustrated with the conflict.
An earthquake of magnitude 6.9 has struck Japan's northeast coast on Thursday, but no tsunami warning was issued, no injuries were immediately reported and no irregularities were found at nuclear facilities, the authorities said.
US President Donald Trump has stated on Tuesday that Iran had agreed to nuclear inspections into "infinity," while Tehran said it had made no such concession in negotiations, raising questions about the viability of their fragile peace deal.
Oman has coordinated with the International Maritime Organisation (IMO) to establish a temporary maritime corridor for vessels transiting the Strait of Hormuz, according to its local news agency.