Sisak is located in the Sisak Moslavina County, nad according to the census of 2011. this city has 61,497 inhabitants. It is famous for its largest refinery in Croatia, and has the third largest factory that deals with food called Mlin. Throughout history it has often changed its name, in the early Middle Ages it was called Siscium, and then come the various names like: Sissek, Sciteck, Zysek, Zitech, and finally appears name Sziszak and Sisak. Yet apparently Sisak belongs to the oldest settlements of the central Croatian. Many archaeological excavations indicate that the inhabitants of this area lived there since prehistoric times. In the 4th century before Christ came tribe of Celts, which were mixed with Illyrians. Then Sisak gets name Segestica. It was the largest city of the western part of the Pannonian Basin. Here was also active Roman Emperor Octavian Augustus, who with an army of 12,000 men overwhelmed the city and established a military camp Siscia. Along the coasts of Kupa t...here were the baths, which were designed for fun and definitely worth mentioning and theater and amphitheater. The emergence of Christianity in this region occurs very early, at the end of the third century in was Siscia established the seat of the diocese. Sv. Kirin is the patron saint of the city of Sisak, and his feast celebrates 4th of June, which is also the day of the city. Kirin was known bishop from 284 until 303, but for a time of great persecution of Christians he was tortured and thrown into the river Sibaris. After the fall of the Roman Empire Siscia was completely destroyed, but with the arrival of the Croats in the 7th century, the city reawakens, thanks to the duke Ljudevit Posavski. Unfortunately the second world war again destroys Sisak, but it slowly but surely began to recover and the industry began to develop. So there has been a development of the Sisak refinery, many residential buildings and cultural attractions.