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Chambéry is the prefecture of Savoie, a department in the Auvergne-Rhône-Alpes region of southeastern France. The department is named after the historic province of Savoy, which was annexed by France in 1860. Chambéry is located in the northern part of the department, on the shores of Lake Bourget. The city has a population of about 150,000 people and is the economic and cultural center of the region.