The County of Bourke is one of the 37 counties of Victoria which are part of the Lands administrative divisions of Australia,. It is the oldest and most populous county in Victoria and contains the city of Melbourne. Like other counties in Victoria, it is subdivided into parishes. The county was named after Irish born Sir Richard Bourke, the Governor of New South Wales between 1831 and 1837. It is bordered by the Werribee River in the west; the Great Dividing Range in the north; Port Phillip in the south; and by Dandenong Creek, a small part of the Yarra River, and the Plenty River in the east. The county was proclaimed in 1853.