Tzarevo is situated near to Strandza Nature Park, which is the biggest protected area in Bulgaria.
It occupies 1.161 km2 about 1% of the national territory and 23.5% of the total protected territory in the country.
The park includes the Bulgarian sector of the Strandza Mountains, bordering Turkey in the south and the Black Sea on the East.
Over 50% of the Bulgarian flora is represented there with a big number of endemic, relict, rare and threatened Red Book species.
