The Yovkovtsi Reservoir (язовир „Йовковци“) is situated in northeastern Bulgaria, 5 kilometres (3.1 mi) away of the town of Elena. It was built 20 years ago on the Veselina River. The reservoir is located in the territory of Elena municipality, and supplies water to Veliko Tarnovo, Gorna Oryahovitsa, Lyaskovets, Strazhitsa, Zlataritsa, Elena, Gabrovo and Dryanovo. 223 square kilometres (86 sq mi) of the reservoir are hygienic protected zone. The dam is rich in carp, pikeperch and many other kinds of fish.

Yovkovtsi Reservoir
Location of Yvokovtsi in Bulgaria.
Location of Yvokovtsi in Bulgaria.
Yovkovtsi Reservoir
Coordinates42°55′52″N 25°47′49″E / 42.931°N 25.797°E / 42.931; 25.797
Lake typereservoir
Primary inflowsVeselina River
Primary outflowsVeselina River
Basin countriesBulgaria
Max. length7.5 km (4.7 mi) (from map)
Max. width850 m (2,790 ft)
Surface area574 ha (1,420 acres) (taken from 57400dka?? in WikiMania)
Max. depth60 m (200 ft) (from dam)
Water volume92.2 hm3 (74,700 acre⋅ft)

It is named after the prominent writer Yordan Yovkov.