A town in Mudanya, a province of Bursa province, located 12 km west of Modanya and extending along the coastline of the Marmara Sea. This area, inhabited since the fifth century BC, was officially known as Trilye or Brylleion as was called by the Greeks. Sea of Marmara, a port has been established in several coastal areas, most notably Trillia. It has a population of only 2,500.
One of the most important historical sites in the district of Trillia Haghioi Theodoroi Byzantine, which was a religious center for Greek Orthodox Christians for a long time, but it is today called the Mosque of the conqueror.
