Harrison is a suburb of the district of Gungahlin in Canberra, Australia. The suburb is named after the former city planner Peter Harrison, who was instrumental in reviving Walter Burley Griffin's plan for the National Capital. The suburb is adjacent to the suburbs of Franklin, Gungahlin, Throsby, Kenny and the industrial estate Mitchell. Harrison's place names refleā¦Harrison is a suburb of the district of Gungahlin in Canberra, Australia. The suburb is named after the former city planner Peter Harrison, who was instrumental in reviving Walter Burley Griffin's plan for the National Capital. The suburb is adjacent to the suburbs of Franklin, Gungahlin, Throsby, Kenny and the industrial estate Mitchell. Harrison's place names reflects those of "natural features, waterfalls, plains, tablelands and plateaux". The suburb is located approximately 2 km east of the Gungahlin Town Centre and about 10 km from the centre of Canberra.