Valley East is a district of the city of Greater Sudbury, Ontario, Canada. First incorporated in 1973 as a separate town within the Regional Municipality of Sudbury, Valley East was so named because it comprised the eastern half of the Sudbury Basin. The largest of the six towns in the Regional Municipality, it was reincorporated as a city in 1997 due to c…Valley East is a district of the city of Greater Sudbury, Ontario, Canada. First incorporated in 1973 as a separate town within the Regional Municipality of Sudbury, Valley East was so named because it comprised the eastern half of the Sudbury Basin. The largest of the six towns in the Regional Municipality, it was reincorporated as a city in 1997 due to continued population growth. On January 1, 2001, the city and the Regional Municipality were dissolved and amalgamated into the city of Greater Sudbury.