GUMULJINA, or GUMURDJINA  , a town of European Turkey, in the vilayet of Adrianople . Pop . (1905), about 8000, of whom three-fourths are Turks and the remainder Greeks, Jews or Armenians . Gumuljina is situated on the river Karaja-Su, south of the eastern extremity of the Rhodope range of mountains and 13 M. inland from the Aegean Sea . It has a station on the railway between Salonica and Dedeagatch . The district produces wheat, maize, barley and tobacco; sericulture and viticulture are both practised on a limited scale . A cattle fair is held annually on Greek Palm Sunday . Copper and antimony are found in the neighbourhood .