Luxembourg is divided into 12 cantons, which are further divided into 102 communes. Ain was subdivided into nine districts, 49 cantons (now 23 cantons) and 501 communes. Canton Zug catapulted itself into being at the top of the financially strong cantons. Fleurs also appear in the flags and arms of many cantons, municipalities, cities and towns. Besides entities, cantons, and municipalities, Bosnia and Herzegovina also has four "official" cities. Each municipality is part of one of the Swiss cantons, which form the Swiss Confederation. Switzerland is divided into 26 sovereign cantons. Condominiums () were common subject territories under the administration of several cantons. The departments are divided into 200 sub-prefectures, which are in turn composed of 446 cantons. Federation is also divided into ten highly autonomous cantons, which are in fact federal units. Each tribal territory was divided into four cantons or tetrarchies. The Federation was divided into 10 cantons. These were known as "cantons" (Swiss-like autonomous provinces). Guanacaste is subdivided into eleven "cantons". Arrondissements and cantons are merely administrative divisions.