Iran’s President Hassan Rouhani has officially received his Azeri counterpart Ilham Aliyev who arrived in Tehran Tuesday to discuss boosting relations.
The visit is to feature high-level meetings and inking of several documents for cooperation.
Rouhani and Aliyev sat for their first meeting after the welcome ceremony.
Iran and Azerbaijan have been working on a key North-South transport corridor, which is expected to connect Northern Europe to Southeast Asia through their territories.
According to preliminary estimates, the overall capacity of the rail link will be 1.4 million passengers and 5-7 million metric tons of cargo a year.
Iran is also studying plans to raise its stake in Shah Deniz, the largest natural gas field in Azerbaijan.
On Monday, Iran’s Foreign Ministry spokesman Hossein Jaber Ansari said presidents of Switzerland and South Africa will also be visiting Tehran in the next few days.
Italian Prime Minister Matteo Renzi said he will visit Tehran in April after Rouhani’s trip to Rome last month.