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Strandzha Natural Park
Strandzha Natural Park is the largest protected area on the territory of Bulgaria that stretches over 1161 sq km.
Sinite Kamani Natural Park
The town of Sliven is situated 300 kilometers east of Sofia and 100 kilometers west of Burgas City.
Vitosha Natural Park
Vitosha Natural Park is the first park in Bulgaria and on the Balkan Peninsula.