Dolni Chiflik Municipality (Bulgarian: Община Долни чифлик) is a municipality (obshtina) in Varna Province, Northeastern Bulgaria. It is named after its administrative centre - the town of Dolni Chiflik.The municipality spreads from Dalgopol Municipality in the west to the Bulgarian Black Sea Coast in the east. To the north the area is mostly defined by the Kamchiya river and its estuary. It embraces a territory of 487 km² with a population, as of December 2009, of 19,316 inhabitants.