Blagaj is a populated place in the city of Mostar, Federation of Bosnia and Herzegovina, BiH. Below the settlement is the source of the Buna, which is the largest karst source in Europe (Vrelo Bune). Next to it is the famous Sufi tekke, and in its vicinity are the prehistoric site of the Green Cave, fish farm and restaurants, and a castle from the 15th century, while in the place there are numerous buildings that have been declared a national monument of BiH. On 12 November 2007, the Commission to Preserve National Monuments of Bosnia and Herzegovina nominated Blagaj for inclusion on the UNESCO World Heritage List in Europe.
