Tirilye is a town of Mudanya in the province of Bursa in Turkey, located 12 km west of Mudanya and extending along the coast of the Sea of ​​Marmara, this area inhabited since the 5th century BC was officially known under the name of Trilye or Brylleion, as the Greeks called it.

When demand for products from the southern Marmara Sea has increased in the past, a port was established in several coastal regions, the largest of which is Trillia, with a population of only 2,500 people.