Yoro is one of the 18 departments into which the Central American nation of Honduras is divided. The department contains rich agricultural lands, concentrated mainly on the valley of the Aguan River and the Sula Valley, on opposite ends. The departmental capital is Yoro. The department covers a total surface area of 7,939 km² and, in 2005, had an estimated population of 503,886 people. It is famous for the Lluvia de Peces (rain of fishes), a tradition by which fish fall from the sky during very heavy rains.