Burgas Lake is situated on the Black Sea coast, west of the city of Burgas, between the lakes Atanasovsko and Mandra. Vaya is the largest Bulgarian Black Sea coastal lake, an open liman. Burgas Lake is a shallow brackish coastal lake an open firth with a weak connection to the sea. Burgas lake falls into the boundaries of proposal for Natura 2000 Protected site under the Birds Directive and the Habitats Directive. The lake is a Ramsar site with territory of 27.6 km2.Habitat Types listed in Annex I to Habitats Directive and in the Biodiversity Act such as 1310 Salicornia and other annuals colonizing mud and sand, 1410 Mediterranean salt meadows (Juncetalia maritimi) are well represented in the lake and 1510 Mediterranean salt steppes (Limonietalia). Habitat 1310 is proposed to be delisted from the area.

Map of surface sediments in the Bulgarian Black Sea shelf classified according Folk 5-coarse sediment, mixed sediment , sand and mud , muddy sand, rocks

Map of surface sediments in the Bulgarian Black Sea shelf classified according Folk 7-coarse sediment, mixed sediment , sand , sandy mud,mud, muddy sand,rocks