• All those who wanted to sail freely through the area controlled by the pirates of Omiš were forced to pay a tribute for free naval passage. The pirates of Omiš were especially dangerous during the rule of the mighty dukes of Kačić.

• Mila Gojsalić is a legendary local heroine who - armed with nothing else than her own courage and the love of her homeland - managed to defeat the Turks. Her heroism was often a motif of numerous Croatian artists, among others of the world-famous sculptor Ivan Meštrović, whose statue of Mile Gojsalić adorns a vantage point in Poljica which offers an unforgettable view of Omiš.

• The ingenious pirates of Omiš, who used their small and light boats called “sagittae” (lat. arrows), built an underwater wall (“Mostina”) at the mouth of the river Cetina which was supposed to prevent the entrance of enemy ships and at the same time served as a trap. “Mostina“ had just one passage which was adjusted only for their own fast and elegant boats – sagittae.

• The river Cetina is the longest river in Dalmatia (100 km), and the waterfall of Gubavica near the village of Zadvarje is one of the biggest waterfalls in Croatia (48 m).

• It is believed that the name of Omiš either comes form the old Slavic word of HOLM / HUM, which is in fact a translation of the Illyric-Greek ONAION / ONEON, meaning a hill, a place on a hill, or that ONEUM was in fact named after the river Cetina, which was known among Greek colonists as Nestos (from which the town"s name of Oneum (Onaeum) is supposed to have been derived).

• The official coat of arms of Omiš, which was most probably created in the 15th century, includes a cross and a spiked mace – the first as a symbol of Christianity and faith, and the second as a symbol of battle. The symbolic meaning of the coat of arms of Omiš actually refers to the defence from the Turkish invasions, which was extremely important at the time when the coat of arms was created. The town"s coat of arms represents an invaluable and original relic of the past, which has remained a symbol of the town’s independence and municipal autonomy throughout centuries.

• Omiš is also known for being the home of the company Galeb – the most famous Croatian producer of underwear for over 50 years.

• At the beginning of the 60ies of the last century Winnetou-movies based on the novels of the German writer Karl May fascinated people all over the world with the beautiful scenes of the natural wonders of Croatia. Some of the scenes from the movies were shot in the beautiful canyon of the river Cetina, with many of the local inhabitants appearing as extras.

• The Muscat Rose of Omiš – is a top quality grape variety from the area of the river Cetina mouth and the nearby Poljica, from which a famous dessert wine was produced. According to written documents from the period, even Napoleon himself used to enjoy this high quality wine. At the beginning of World War I this grape variety was almost completely destroyed by „downy mildew“, a serious disease of grapevines. However, in recent years there have been efforts to revitalise this top-quality grape variety.

• The area of Omiš is also known for two old and today almost extinct trades: the traditional sand extraction from the mouth of the river Cetina (the so called „salbunarstvo“) and wooden shipbuilding - (the so called „kalafatstvo“).

• The name of Cetina comes from the Frigian word (an area in the southeast of Turkey) „Zetna“, meaning a gate, and actually refers to the mouth of the Cetina river , i.e. the place where the river flows into the sea, opening a „gate“ from the Dalmatian hinterland.