If you like sightseeing, you'll have plenty to do in Bulgaria. There is an abundance of monuments and interesting places there. You will definitely visit Sofia , where the history reaches, among others, the reign of the Ottoman Empire mixed with the remnants of communism . The mixture of styles creates quite an intriguing combination. In terms of sightseeing, the Plovdiv located on the seven hills and the coastal Burgas deserve attention. On the coast, be sure to visit Nessebar with its UNESCO-listed old town on a promontory, or the exceptionally charming and intimate Sozopol .