The Milesians who were traders along the Aegean Region in antiquity established their trading colony of Kerasous, which the city and province of Giresun gets its name from, approximately around the modern town of Bulancak.

When Constantinople, the capital of the Eastern Roman Empire, was invaded by the Crusaders in the 11th century AD, the children of Emperor Manuel Kommenos came to Trebizond and established the Empire of Trebizond, with modern-day city of Trabzon as the capital, in 1204 AD.

During the Seljuk period, the Turcomans, who came from Central Asia and Khorasan started the conquest of Anatolia, also brought the Black Sea coasts under Turkish domination.

As a result of the weakening of the Sultanate of Rum during the Crusades, the coastline passed from the hands of the Turks to the Empire of Trebizond, which was established in 1204 AD.

According to the registration, however, in urban areas such as Giresun City and Tirebolu, trade was in the hands of Greeks and Armenians, since Turks were conscripted into the military.

Again, as you go inland from the coast, the vegetation changes depending on the altitude, respectively, oak, hornbeam, spruce, fir and pine forests can be seen.