Population exchange between Greece and Turkey 1923, most of the pre-war Greek population of Aegean Turkey had already fled. The exchange involved the remaining Greeks of central Anatolia (both Greek- and Turkish-speaking), Pontus and Kars. Thus of the 1,200,000 only c. 189,916 still remained in Turkey that time. In Greece, it was considered part of the events called the "Asia Minor Catastrophe" (). Significant refugee displacement and population movements had already occurred following the Balkan Wars, World War I, and the Turkish War of Independence. The convention affected the populations as follows: almost all Greek Orthodox Christians (Greek- or Turkish-speaking) of Asia Minor including the Greek
Transjordan (region) and Eber-Nari. The Decapolis is named from its ten cities enumerated by Pliny the Elder. It should be noted, that what Pliny calls "Decapolis", Ptolemy calls "Cœle-Syria". Ptolemy does not use the term "Transjordan", but rather the periphrasis "across the Jordan". And he enumerates the cities; Cosmas, Libias, Callirhoe, Gazorus, Epicaeros—as being in this district—east of the Jordan, that Josephus et al. called Perea. Jerash was a prominent central community for the surrounding region during the Neolithic period and was also inhabited during the Bronze Age. Ancient Greek inscriptions from the city, and the literary works of Iamblichus and the