Vayots Dzor (Armenian: Վայոց Ձոր) is a province (marz) of Armenia. It lies in the south-east of the country, bordering the Nakhichevan exclave of Azerbaijan in the west and the Azerbaijan in the east. It covers an area of 2,308 km². With a population of only 53,230 (2002 census), it is the most sparsely populated province in the country. The capital is Yeghegnadzor.