Samuil's Fortress is located on the right bank of the river Stroumeshnitsa, 16 km west of the town of Petrich. In the years 997-1014, when Bulgaria was ruled by King Samuel, during the war with Byzantium was built defense system. Her part as well Samuil's Fortress, located in a strategic position may have been used as a point-chief - Tsar Samuil.

In 1014 the Bulgarian army was defeated by the Byzantine Emperor Basil II troops, were taken prisoner about 14 thousand soldiers from Bulgaria. By order of the emperor, captured soldiers blinded, and in every hundred left one man with one eye, which was entrusted to take home colleagues. Legend has it that King Samuil died of that kind could not stand the thousands maimed in such a sophisticated way of warriors. But Basil II was nicknamed Bulgaroctonus.

Samuil's Fortress - a national park-museum, which includes the eponymous object of archeology, which survived 13 small huts and so-called "Big dugout", as well as the ruins of the observation tower Samuil's Fortress. Above them is a panoramic area with a memorial and a hall for exhibitions.

This museum is placed in the list of the hundred national tourist sites in Bulgaria. Today it is one of the most well-known and are popular attractions in southwest Bulgaria.