Lake Vrana () is the largest lake in Croatia. It is a designated nature park (park prirode), a legislatively protected nature reserve. It is located in the region of Dalmatia, straddling the border of Zadar and à  ibenik-Knin counties, in close proximity to towns and municipalities of Benkovac, Pirovac, Pakoà ¡tane, Stankovci and Tisno.
The area of the lake is , the elevation of its surface above sea level is only , while its maximum depth is .
The lake is in a karst valley filled with water and is a rare example cryptodepression. The dominant feature of the park is a special ornithological reserve, an almost untouched natural habitat of birds, a rare wetland systems, full of high biodiversity and an outstanding scientific and ecological value. The lake provides an ample amount of fish for fishing enthusiasts.