First Trebinje is mentioned in the X century by Constantine Porphyrogenitus, called Tribunija.At that time Trebinje was on the caravan route that ran from Kotor and Dubrovnik to Bosnia, Serbia and Montenegro. The first urban contours of the city takes in the Middle Ages. At the beginning of a new era and during the Middle Ages Trebinje end is developed under the strong influence of the Byzantine Empire, and in the fifteenth century, after a long independent state, fell under the centuries-long Ottoman government, and then to 1918, the Austro-Hungarian Empire. Trebinje’s old city was built in the early seventeenth century on the banks of the river Trebisnjica and was called Ban Vir. Today the Old Town – Kastel, emerged from the former trade and craft. The period of their rule and are a reminder of the building of a public nature, administrative buildings, barracks, schools and more. This style fit the Mediterranean city of Trebinje. The turbulent history of this region has left its traces and monuments of cultural and historical heritage: medieval necropolis, where they discovered two Cyrillic inscriptions from the twelfth century, the Monastery Tvrdos (IV-VI century), the monastery Real (XVI century), Petro-Paul monastery ( IV-VI century), the Monastery Zavala (XIII century).