France is a country with territory status in western Europe and several overseas regions and territories. The European, or metropolitan, area of France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. The republic also includes French Guiana on the South American continent and several islands in the Atlantic, Pacific and Indian oceans. The country’s 18 integral regions (5 of which are situated overseas) span a combined area of 643,801 square kilometres (248,573 sq mi) which, as of January 2017, has a total population of almost 67 million people. France is a unitary semi-presidential republic with its capital in Paris, the country’s largest city and main cultural and commercial centre. Other major urban centres include Marseille, Lyon, Lille, Nice, Toulouse and Bordeaux.