Yes, the Dolomites (Dolomiti) are located entirely within northeastern Italy. They are a sub-range of the Southern Limestone Alps and are spread across the provinces of Belluno, South Tyrol, and Trentino. In 2009, they were declared a UNESCO World Heritage site because of their unique geological "pale-colored" vertical peaks and dramatic "Enrosadira" effect (where the mountains turn pink or red at sunset). While the wider Alpine range spans across France, Switzerland, Austria, Slovenia, and Germany, the specific "Dolomite" formation—characterized by its magnesium-rich limestone—is a purely Italian geographical treasure. Interestingly, the region has a very "international" feel; because parts of the Dolomites were formerly part of the Austro-Hungarian Empire, the culture is a fascinating blend of Italian and Austrian influences. In many valleys, such as Val Gardena, residents speak Ladin, an ancient Rhaeto-Romance language, alongside Italian and German. So, while you are strictly in Italy, a trip to the Dolomites feels like a cross-cultural journey through the very heart of the European mountains, offering a unique aesthetic that is distinct from any other part of the Alps.