The chief executive officer of a city is usually called the mayor or the city manager. Mayors are elected officials, sometimes elected as such and sometimes elected from the city council or board of...
Where it exists, a municipal government is the lowest level of government and exercises authority over a municipality (e.g.) city; town). Usually, the scope of a municipal government's powers are...
Queen Elizabeth II is represented by the Governor General of Canada, currently David Johnston, as Canada's Head of State. Canada's Head of Government is the Prime Minister, currently Stephen Harper.