Tokyo 2020 venues stay at original sites

The rowing, canoe sprint and swimming venues for the Tokyo 2020 Olympic Games will remain at their original sites, although volleyball could still be moved.

The rowing and swimming venues for the Tokyo 2020 Olympic Games will remain at their original sites. (AAP)

Olympic organisers for the 2020 Games in Tokyo agreed on Tuesday to keep the rowing, canoe sprint and swimming venues at their planned sites in Japan's capital.

The decision comes amid discussions aimed at reducing costs for the Games. A decision on a possible venue switch for volleyball has been postponed until Christmas.

Representatives of the International Olympic Committee, Tokyo organisers and Japan's central and city governments had met after a Tokyo government panel warned that Olympics costs could exceed $US27 billion ($A36 billion) unless drastic cuts were made.

The administration of new Tokyo governor Yuriko Koike had suggested moving the rowing and canoeing events from Tokyo to the northeastern Miyagi prefecture, some 400 kilometres from Tokyo, in order to reduce costs.