While in Bulgaria, be sure to explore the Province of Sliven. Agoda.com has a fantastic range of hotels to help you make your trip to this beautiful Province a memorable one. With 5 cities and some of the country's most popular tourist attractions, Sliven offers plenty to do and see. Just as it has hotel options to suit every pocket, Sliven has activities to suit every interest. With more than 2 million customer reviews, more travelers are choosing Agoda.com to book hotels in Sliven.