The 'THE SOURCE OF THE BUNA RIVER' ('VRELO RIJEKE BUNE') complex is located in the Mostar municipality (Geographical coordinates: 43º15'24.82''N, 17º54'11.93''E, elevation: 93 m). It is about 12.5 km from Mostar, about 124 km from Dubrovnik, and about 140 km from Sarajevo (by air). 2531 inhabitants live in the Blagaj settlement.

The aim of this work is to present an exceptional geographical area that illustrates the relationship of man to the natural environment and his spiritual heritage, which is expressed by special physical structures: the Old Town-Fortress Blagaj, tekke ('tekke'), Sultan Sulejman's Mosque (Emperor's Mosque), residential complex 'Velagićevina', Karđoz-beg bridge, fish farm, many restaurants and a large number of public fountains ('cesme').

The topics are elaborated according to the scientific methodology that is covered in the author's book: Hadrovic, A. (2007). Defining Architectural Space on the Model of the Oriental Style City House in Bosnia and Herzegovina, Serbia, Montenegro, Kosovo and Macedonia, Booksurge, LLC, North Charleston, SC, USA.