Venezuelan President Hugo Chavez is to travel to Iran Friday as part of his two-week world tour.
Mr. Chavez is to meet with his Iranian counterpart, Mahmoud Ahmadinejad, in Tehran. The leaders are expected to sign several deals during the three-day visit.
Venezuela's president is in Qatar, leading a delegation that includes Oil Minister Rafael Ramirez.
Mr. Chavez was previously in Moscow, where he met with Russian President Vladimir Putin.
Venezuela sealed a deal with Russia Thursday to buy Russian fighter jets and helicopters. The head of Russia's state arms export agency says the contracts are worth more than $3 billion.
The United States has banned arms sales to Venezuela because of the government's alleged ties to Iran and Cuba.
Some information for this report was provided by AFP, AP and Reuters.