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 second largest of them, after the Sofia Valley.
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
Sliven is the eighth-largest city in Bulgaria and the administrative and industrial centre of Sliven Province and municipality in Northern Thrace. It is situated in the Sliven Valley at the foothills of the Balkan Mountains.
View of Sliven and the lowlands of Thrace from southern Stara Planina
Saint Demetrius church in Sliven, built 1831
The monument of Hadzhi Dimitar in Sliven