Durankulak is a village in northeastern Bulgaria, part of Shabla Municipality, Dobrich Province. Located in the historical region of Southern Dobruja, Durankulak is the north-easternmost inhabited place in Bulgaria and the northernmost village of the Bulgarian Black Sea Coast, although the village itself is slightly inland. Durankulak lies north of the town of Shabla, with the only places to the north along the coast being the formerly exclusively Czechoslovak camping site Kosmos and the Kartalburun and Sivriburun headlands. Durankulak is also the name of the nearby border checkpoint on the Bulgarian-Romanian border; just north of the border is the Romanian seaside resort Vama Veche.

Shabla Municipality is a municipality (obshtina) in Dobrich Province, Bulgaria, located in the north-easternmost part of the country on the Northern Bulgarian Black Sea Coast in Southern Dobruja geographical region, bounded by Romania to the north. It is named after its administrative centre - the town of Shabla.