Rose Valley, Bulgaria
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The Rose Valley (Bulgarian: Розова долина, Rozova dolina) is a region in Bulgaria located just south of the Balkan Mountains, between them and the eastern part of the lower Sredna Gora chain to the south. Geologically, it consists of two river valleys, those of the Stryama to the west and the Tundzha to the east.
The valley is famous for its rose growing industry, which produces 70% of the world's rose oil. The centre of the rose oil industry is Kazanlak, while other towns of importance include Karlovo, Sopot and Kalofer. Each year, festivals are held celebrating roses and rose oil.