Which city hosts the Division of Jagajaga which covers an area of approximately 128 sq km including the suburbs of Ivanhoe, Bellfield, and Bundoora? 
Division of Jagajaga:  It covers an area of approximately 128 square kilometres and comprises the suburbs of Ivanhoe, Eaglemont, Bellfield, Heidelberg, Rosanna, Viewbank, Lower Plenty, Macleod, Yallambie, Eltham, Watsonia, Bundoora, Greensborough, Montmorency, Briar Hill, St Helena, Research, North Warrandyte and Kangaroo Ground.
i don't know