Yunak is a village in North-Eastern Bulgaria, part of Avren municipality, Varna region. It is located 41 km south-west to the city of Varna and 12 km south-west to the municipal center of Avren.

The relief is flat, as in the distance there are low hills which protect the village from turbulent winds. The climate is temperate-continental and is characterized by a hot summer, rainy autumn, mild winter with plenty of snowfalls and a sunny, yet cool spring. Provadiyska River is passing by the village, which, in combination with the preserved nature, gives the area a unique charm. The population numbers to approximately 125 people. Altitude - 44 m.