The Division of Jagajaga is an Australian Electoral Division in the state of Victoria. It is located in the north-eastern suburbs of Melbourne, and lies north of the Yarra River. It covers an area of approximately 104 square kilometres and comprises the suburbs of Bellfield, Briar Hill, Diamond Creek, Eaglemont, Greensborough, Heidelberg, Heidelberg Heights, Heidelberg West, Ivanhoe, Ivanhoe East, Lower Plenty, Montmorency, Plenty, Rosanna, St Helena, Viewbank, Yallambie, Watsonia and Watsonia North; and parts of Bundoora, Eltham, Eltham North, Hurstbridge, Macleod, Wattle Glen and Yarrambat.