About Ağva, the source is,
Agva has been the route of passage for countless civilizations. From Hittites and Phrygians to Romans and Ottoman Empires. It’s possible seeing the remains of history dating back as far as B.C. 7. The tomb belonging to the Roman Empire era is located at the beginning of the Kilimli Trail that is an example of this history fact. Even though there has not been any archeological excavation work yet, the findings in hand show that the Kilimli area was an old Roman compound. Experts believe that the area took its present outlook with Turks.
Kalemkoy is one of Agva’s oldest compounds. There you will find remains of churches and gravestones belonging to Romans. Gurlek Cave, which dates back to the late 3rd to the early 4th century in Hacilli Village, the ruins of a castle found in Hisar Tepe, and the big mill in Sungurlu Village are important findings.
In the second half of the 14th century, Turkmen people came from Konya, Karaman and Balıkesir and settled in Agva. Today, most people in Agva are the grandchildren of those Turkmen people.
Life in and around Agva dates back to times long ago. According to the researchers, Agva was inhabited in the Neolithic Age and was the first residential area of Istanbul. The prehistoric researches on the Black Sea’s coastal area, shows multiple residential areas dating back to Paleolithic and Epi-Paleolithic ages.
Some of the first known settlers in and around Agva were Milesians in around B.C. 8 where they established trade colonies. In B.C. 7, Milesians built coastal towns along the Black Sea.
According to historians, this area was invaded twice. The first invader was commander Xenophon of Ancient Greeks who was returning from a Persian expedition and the second being Roman commander Luccullus who followed the coastal line and reached the area.
In 1090 during Seljuk Dynasty’s sovereignty, Kutalmisoglu Suleiman Shah invaded the area and deemed it Turkish land.
In 1907, the first Crusaders retrieved the area from Seljuks and ruled there for a long time. Agva and the area around it was one of the castles of Byzantine. Then Ottoman Empire commander Yildirim Beyazit conquered that land.
Turkmen people who were brought to the area by the Ottoman Empire settled down and different Turkmen tribes names were given to their areas where they were located such as Hasanoğulları (Hasanlı village), Çengiloğulları (Çengilli village), Gökçeler (Göçe village), Gökmenler (Gökmaslı village), Çitaklar (Çataklı village), Karamanoğulları (Karamandere village), Yakupoğulları (Yakuplu village), Isaoğulları (Isa village), etc.
Göksu and Gökmaslı villages are two of the areas that remained almost intact due to rumors and expectations of a dam construction for many years. Named after Goksu River, this village is located near the river. Gokmasli village also has a coastline.