The regions of each generation are inspired by different parts of the world (regions, cities, countries). This time, it's northern half, with part of the south as Batisques who gets the city of Lyon, France, countries of Western Europe, which is inspired Kalos. It is also the first region that is based from a European country, the first four being reproductions of parts of Japan and the fifth, a representation of the United States of America, especially New York.
It is divided into three parts: the Kalos Centre, Côtes de Monts and Kalos Kalos, each of these three regions reverberating in indexing Pokédex Kalos.
Having France as inspiration for Kalos just Junichi Masuda, because France is a country that is known for its beauty (kalos, καλὸς in Greek, means beautiful), a theme that is very present in the Pokémon X and Y Junichi Masuda has also chosen France because for him it represents "the country that is most visited by tourists, the country of fashion and culinary sophistication, the country's linguistic sophistication."