Olancho is the largest of all the 18 departments into which Honduras is divided. The department covers a total surface area of 24,057 km² and has an estimated 2015 population of 537,306 inhabitants.

Honduras, officially the Republic of Honduras, is a country in Central America. Honduras is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Ocean at the Gulf of Fonseca, and to the north by the Gulf of Honduras, a large inlet of the Caribbean Sea. Its capital and largest city is Tegucigalpa.