The highest point is the hill Cínovecký hřbet at 881 m (2,890 ft) above sea level.

The first written mentions of Dubí are from the period 1494–1498, when it was a mining settlement of tin miners.

[3] The first spas in Dubí were built in 1860 under the management of Anton Tschinkel, the founder of a local porcelain factory.

The present-day Theresa's Spa with mineral waters, recommended to patients after brain and spine surgeries, have been operating since 1879.

[4] Europe's largest deposits of lithium-bearing mica zinnwaldite are located in the area of Cínovec.