The name of the city comes from the confluence of rivers in Slavic. Sliven is a city in southeast Bulgaria and is the center of the province of Sliven. Sliven is a city of historical and cultural importance and is also known for its natural beauties. The city has a rich historical and cultural heritage. Museums, historical artifacts, and monuments in the city provide visitors with information about the city’s past. There are also festivals and events that are an important part of traditional Bulgarian culture. Sliven is located in an area with beautiful natural landscapes. The city is surrounded by mountains known as the Sinite Kamani (Blue Stones), which are a popular destination for hiking and outdoor activities. Sliven is an important industrial and commercial center of Bulgaria. Textile, food processing, automotive and other industries operate in the city. Therefore, the city is also economically important.