Russian President Vladimir Putin has sent a celebratory telegram to Japan's new Emperor Naruhito.

Putin said in the message that he'd like to express his heartfelt congratulations on the emperor's accession to the throne.

He said: "Our bilateral relations have significantly expanded in the recent period. Moscow and Tokyo maintain a constructive political dialogue, cooperating in solving current problems on the regional and global agenda."

Putin added that he is confident the future build-up of Russian-Japanese cooperation in various fields fits with the fundamental interests of the peoples of both countries and promotes the consolidation of international stability and security.

NHK