Heidelberg is a town with 35,500 inhabitants in the Gauteng province of South Africa, some 50 kilometres south-east of Johannesburg, close to the Mpumalanga border.It sits at the eastern end of the Suikerbosrand Nature Reserve, next to the N3 highway connecting Johannesburg and Durban.[4]: 237 Heidelberg has played an important part in South African history, acting as a capital for the Boer republic during the war with Great Britain under the Triumvirate of Paul Kruger, P.J.Many buildings dating back to the period between 1890 and 1910 have been preserved, including the home of A.G. Visser, a well-loved medical doctor and famous Afrikaans poet, which can still be seen situated close to the main road through town.The British built a concentration camp here during the Second Boer War to house Boer women and children; a monument to their memory, and to those of the black women and children who also died during the war, was erected in the main cemetery in the late 1990s by the current ANC-led municipality.