Greek merchants also provided the material basis for the Neohellenic Diafotismos. Impelled by the sense of local patriotism that had always been strong in the Greek world, they endowed schools and libraries. The three most important schools-cum-colleges in the Greek world on the eve of the War of Independence were situated in Smyrna, Chios, and Ayvalik (on the coast of Asia Minor opposite the island of Lesbos), all three major centres of Greek commerce.