The town of Tzarevo has a population of 6 000 inhabitants and lies at a distance of 70 km from the district centre. Tzarevo is a municipal centre with 12 component settlements. The town is situated on the Black Sea coast by a picturesque bay. The settlement is a port town and a seaside resort.

The town is founded in the ancient times by Greek colonialists. During XII c. the town is known under the name of Vasiliku. In the Ottoman documents from 1488 it is mentioned with the name of Vasiliyuz as well as with the Bulgarian name of Bosilkovo. The town has been established on its present-day place in 1880 after its destruction by an elemental fire. After 1913 the town goes back to the limits of Bulgaria and is populated by refugees from Eastern Thrace.

The tourist sights of the town are: the chapel "St. Georgi", the church "Uspenie Bogorodichno"/ The Assumption/, and the church "Tsar Boris" (1830)