Sredetska reka (Bulgarian: Средецка река) is a river in eastern Bulgaria. It is 69 km long with a catchment area of 985 km².[1] It empties into the Black Sea through Lake Mandrensko near Burgas.

Sredetska
Sredetska reka near the village of Prohod
Location
Country	Bulgaria
Physical characteristics
Source
• location	Bakardzhitsite
• elevation	297 m (974 ft)
Mouth
• location	Lake Mandrensko
• coordinates	42.3864°N 27.3136°E / 42.3864; 27.3136
Length	69 km (43 mi)
Basin size	985 km2 (380 sq mi)

The river has rich flora and fauna. There are more than 30 species of freshwater fishes, such as Flathead grey mullet, European chub, Common carp, Pontic shad, Romanian barbel, European bitterling, Common rudd, etc.

References