Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller "island ranges" are found in the central third of the state, for a total of 77 named ranges that are part of the Rocky Mountains. This geographical fact is reflected in the state's name, derived from the Spanish word montaña (mountain). Montana has several nicknames, none official, including: "Big Sky Country" and "The Treasure State", and slogans that include "Land of the Shining Mountains" and more recently, "The Last Best Place".