What is "tsarevo"

Tsarevo (, also transliterated Carevo or Tzarevo) is a town and seaside resort in southeastern Bulgaria, an administrative centre of the homonymous Municipality of Tsarevo in Burgas Province. In the past, it was known as Vasiliko and Michurin . It lies on a cove 70 km southeast of Burgas, on the southern Bulgarian Black Sea Coast at the eastern foot of Strandzha mountain, at a few kilometers from Strandzha Nature Park. As of December 2009, the town has a population of 5,884 inhabitants.