During his visit, Rajapakse will discuss key bilateral, regional and international issues with senior Iranian officials, said the statement.
A number of documents are expected to be signed by the two sides on bilateral cooperation in the fields of energy, shipping and customs.
Iran has expressed its wish to set up a petroleum refinery in Sri Lanka at the discussions between Rajapakse and Ahmadinejad in New York when they attended the 62nd UN General Assembly meeting in September.
Sri Lanka buys 40 percent of its crude oil from Iran while 20 percent of Sri Lanka's tea export goes to Iran.
Rajapakse arrived in Tehran after attending the Commonwealth Heads of Government Meeting which concluded in Kampala, Uganda on Sunday.
Güncelleme Tarihi: 27 Kasım 2007, 11:46