The municipality of Avren is famous for its ancient settlements and necropolis mound, located near the settlements Benkovski and Bolyartsi. A place to visit near Avren is the medieval rock monastery Keshishlik and the medieval fortress town of XI - XIV century Petrich kale, which are built on the foundations of an early Byzantine fortress from the V century. Today there are remains of the fortress walls and a huge water reservoir carved into the rocks and pillars.
In Tsarevtsi there is a museum complex “Konstantin and Elena", consisting of a church dating from the 1825 and a small school with a carpet-weaving workshop.
There is an astronomical observatory in Avren linked to NAOP "Copernicus" - Varna, equipped and modernized in 2005.In 2006 Project EA began, it is based on educational Phare Alley Way to the Stars. The observatory conducts regular observations by various astronomical clubs.