Eldorado Gold Corp. engages in the mining, development, and exploration of gold. The company is headquartered in Vancouver, British Columbia. The firm operates four mines: Kisladag, Efemcukuru, Lamaque, and Olympias. The Kisladag, Efemcukuru and Lamaque mines are gold mines, while Olympias is a polymetallic operation producing three concentrates bearing gold, lead-silver and zinc. Kisladag is a low-grade, bulk-tonnage, open-pit operation that uses heap leaching for gold recovery. The company is located in Usak Province in western Turkiye. Efemcukuru is a high-grade, underground operation located in Izmir Province in western Turkiye. The Lamaque Complex is located in Val-d'Or, Quebec. The company includes the Triangle mine, the Ormaque mine, the Parallel deposit, the Plug #4 deposit, and the Sigma Mill. Olympias is a gold-silver-lead-zinc mine located in the Halkidiki Peninsula in northern Greece. The company also operates the Bruell Gold Project 51 claim property in Vauquelin township, Quebec.