Halton Regional Municipality, or Halton Region, is located in Ontario, Canada, and is a part of the Greater Toronto Area. It is comprised of the city of Burlington and the towns of Oakville, Milton, and Halton Hills. The town of Oakville and the city of Burlington make up the largely urban area to the south, while the towns of Milton and Halton Hills comprise the largely rural area to the north. Halton Region has a population of 375,229 (2001) spread out over 232,000 acres of land (967 square kilometres). Its population is expected to reach 439,000 in 2006, making it one of the fastest growing regions in the country. Despite the unprecedented growth in residential development in Halton, agriculture is recognized as the predominant land use.