Canada is a country located in North America, stretching from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean. It is the world's second-largest country by total area and shares land borders with the United States to the south and north. Canada is a federal parliamentary democracy and a constitutional monarchy, with Queen Elizabeth II serving as its head of state. The country is known for its diverse geography, including mountains, forests, and coastlines, as well as its vibrant cities, such as Toronto and Vancouver. Canada is also known for its strong economy, high standard of living, and cultural diversity, with a population that reflects its history of immigration from around the world.