France regions (five of which are situated overseas) span a combined area of and a total population of 67.3 million (). France, a sovereign state, 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 areas include Lyon, Marseille, Toulouse, Bordeaux, Lille and Nice. During the Iron Age, what is now metropolitan France was inhabited by the Gauls, a Celtic people. Rome annexed the area in 51 BC, holding it until the arrival of Germanic Franks in 476, who formed the Kingdom of France. France emerged as a
Flag of the Brussels-Capital Region also featured on the sceptre of the descendants of Charlemagne. This included Charles of France, who set up a fortified camp in the area, in the Duchy of Lower Lotharingia, and chose the site as the capital. This is considered the foundation of Brussels. The Brussels-Capital Region, created on 18 June 1989, adopted the plant as the symbol of the city on 5 March 1991. The exact design was chosen through a public competition, with the design by Jacques Richez being chosen. The blue and yellow colours are those of the European Union, of which Brussels is the "de facto"