Russian Prime Minister Mikhail Mishustin has arrived in Iran for an official visit.
Mishustin is to hold negotiations with Iranian President Masoud Pezeshkian and First Vice President Mohammad Reza Aref during the visit, the Russian government said earlier.
"The parties plan to address the entire spectrum of aspects of Russian-Iranian trade, economic, cultural and humanitarian cooperation, including the implementation of major joint projects in transport, industry, energy, education, and other sectors," it said.