Council boundaries Subject Sydney's Boundary Markers Local Government (Shires) Act 1905 Municipalities Act 1867 Royal Commission on Local Government Boundaries 1945 Field of Mars parish Boundary post No 1 - Bourke Street and Plunkett Street 2007 Boundary post No 20 - Town Hall and George Street 2012 Boundary post with cast lettering 'Phillip Ward, Hosking, Mayor' outside the English, Scottish and Australian Bank, Enmore Road 1900-1905