Waterloo Region City of Kitchener The City of Kitchener is the largest municipality in Waterloo Region. Located in the geographic heart of the region, the city is home to 225,000 people. Hamilton and Burlington Royal Botanical Gardens Royal Botanical Gardens (RBG) is the largest botanical garden in Canada. Kingston Kingston & Frontenac Housing Corporation Kingston & Frontenac Housing Corporation is a social housing provider that manages of 1,577 rent-geared-to-income, rent-supplemented housing units, senior and adult units. York Region Alectra Utilities Alectra Utilities (formerly PowerStream in York Region) is a residential and commercial electricity distributor.