Sliven is one of the 28 regions of Bulgaria that travelers like to visit. Agoda.com offers incredible hotel deals in more than 6 cities in this Province. Home to 6 cities, you will never run out of things to do and places to see in this wonderful and exciting Province. The Province receives many visitors due to its unique and interesting features. More travelers are choosing Agoda.com to book accommodation in Sliven, with over 170,000 hotels worldwide.