Iranian President Mahmud Ahmadinejad has arrived in the Tajik capital, Dushanbe, where he is to hold talks with his counterpart Emomali Rahmon and attend a UN-sponsored international conference on water security.
Rahmon's office said the two leaders would discuss Iran's participation in Tajik energy projects, as well as a number of regional and international issues.
From Tajikistan, Ahmadinejad is expected to head to China for a visit to the Shanghai Expo.
agency reports, with RFE/RL's Tajik Service