The Tundzha is a river in southeastern Bulgaria and northwesternmost Turkey, a left tributary of the Maritsa. With a length of 390 km, of which 350 km are in Bulgaria, it is Maritsa's longest tributar
The Tundzha near Elhovo, Bulgaria
The upper course of the Tundzha in the Balkan Mountains
The Tundzha exiting the Zhrebchevo Reservoir
Sliven Valley is situated in eastern central Bulgaria. It is named after the city of Sliven, its main settlement. It is the ninth of the eleven Sub-Balkan valleys in direction west–east and is the sec
А view of the valley from the Balkan Mountains
The Balkan Mountains seen from a marshy area in the Sliven Valley
The City of Hall of Sliven