GUMULJINA or KOMOTINA, capital of the dept. of Rhodope in western Thrace, Greece. Pop. (1928) 30,136 of whom the bulk are Greek immigrants, Jews or Armenians. Gumul jina 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 Sun day. Copper and antimony are found in the neighbourhood.