Baltic Sea pollution will be one of the key topics in talks between Finnish President Tarja Halonen and Russian President Dmitry Medvedev on Tuesday.
Tarja Halonen said they would discuss the Baltic Sea issue during the second day of the visit.
The two leaders are to go on a cruise in the Turku archipelago today.
Other issues to be discussed during talks between the two presidents are Russia's export ban on a number of Finnish food processing facilities and cross-border child custody disputes.