Balchik Municipality (Bulgarian: Община Балчик) is a municipality (obshtina) in Dobrich Province, Northeastern Bulgaria, located on the Northern Bulgarian Black Sea Coast in Southern Dobruja geographical region.

It is named after its administrative centre - the town of Balchik.

The municipality embraces a territory of 523 km2 (202 sq mi) with a population of 19,331 inhabitants, as of 2018.

[1] The area is best known with the Balchik Palace complex in the main town as well as the luxury seaside resort of Albena.

Balchik Municipality includes the following 22 places (towns are shown in bold): The following table shows the change of the population during the last four decades.