Canada is a country in North America. Its land reaches from the Atlantic Ocean in the east to the Pacific Ocean in the west. The Arctic Ocean is to the north of Canada. Canada's land area is 9.98 million square kilometres (3.85 million square miles). It is the world's second largest country by total area, but only the fourth largest country by land area. It has the world's longest coastline (a border with water). Canada has ten provinces and three territories. Most parts of the country are cold or severely cold in the winter. Areas in the south of Canada are warm in the summer. Much of the land is covered in forest or tundra. Most of the people in Canada live in urban areas, near the southern border with the US. This border is the longest between any two countries in the world. The national capital is Ottawa, and the largest city is Toronto. Other large cities include Montreal, Vancouver, Calgary, Edmonton, Quebec City, Winnipeg and Hamilton.