多伦多主要分为4个区,分别是: 皮尔区,夏顿区,约克区,杜林区。皮尔区密西沙加市(City of Mississauga)宾顿市(City of Brampton)卡里冬镇(Town of Caledon)夏顿区( 哈尔顿区 )奥克维尔镇(Town of Oakville)米尔敦镇(Town of Milton)布灵顿市(City of Burlington)夏顿山镇(Town of Halton Hills)约克区列治文山镇(Town of Richmond Hill)万锦镇(Town of Markham)旺市(City of Vaughan)欧若拉镇(Town of Aurora)新市(Town of Newmarket)东贵林伯里镇(Town of East Gwillimbury)佐治拿镇(Town of Georgina)王城镇(Township of King City)怀特彻奇司托夫维尔镇(Town of Whitchurch-Stouffville)杜林区皮克灵市(City of Pickering)阿积士镇(Town of Ajax)惠特比镇(Town of Whitby)奥沙华市(City of Oshawa)咸美顿市 (Hamilton)、尼亚加拉区(Niagara Region)、巴里市 (Barrie) 和贵湖市(Guelph)都与多伦多市和大多地区有密切关系,但它们与多伦多市的距离较远,所以通常都不被认为是大多地区的一部份。