Gold Resource Corporation is a mining company. The Company is a producer of metal concentrates that contain gold, silver, copper, lead and zinc, and dore containing gold and silver at the Aguila Project in the southern state of Oaxaca, Mexico (Oaxaca). The Company has two units in North America, the Oaxaca Mining Unit and the Nevada Mining Unit. The majority of its assets are located at its Oaxaca Mining Unit, located on its Aguila Project, including its Aguila milling facility and Arista underground mine. The Aguila milling facility produces metal concentrates and dore from ore mined from the Arista mine, which contains precious metal products of gold and silver, and by-products of copper, lead and zinc. The Company's operations in Oaxaca are conducted through its Mexican subsidiary, Don David Gold Mexico S.A. de C.V. (DDGM). Its Nevada exploration is done through its subsidiary, GRC Nevada Inc. The Company has an interest in approximately 10 properties.