Ermelo is the educational, industrial and commercial centre of the 7,750 km² Gert Sibande District Municipality in Mpumalanga province, Republic of South Africa. Mixed farming (maize, cattle, potatoes, beans, wool, pigs, sunflower seeds, lucerne and sorghum) and anthracite, coal and torbanite mining take place here. Ermelo is the crossroads of three national highways, N2, N11 and the N17, only Pretoria and Johannesburg are crossed by more.