Blagaj is a village in Herzegovina, in the southern part of Bosnia and Herzegovina, 7 km south of Mostar. Till the 14th century, the area under Raška, and since then under Bosnian rule. In Bišće (Podgradina) and Blagaj were residences of Bosnian rulers that they occasionally visit. In the 15th century, in the same function they are in the hands of the Duke Sandalj Hranić and his nephew Herceg Stjepan Vukčić from the genus Kosače until the arrival of the Ottomans in 1466.
In historical sources Blagaj was first mentioned in 1423. At the foot of the fortress, the village is becoming stronger with its strong commercial activity, residential and educational infrastructure oriental type (mosques, two stone bridges in Buna and Tekke). Near Blagaj, there is the source of the Buna River which forms the largest karst spring in Europe. Next to the source of the Buna, there is the famous Sufi Tekke.
Blagaj, an oasis of peace, which is attracting attention for its distinctive natural, cultural and historical heritage, with its fortress of Herceg Stjepan Kosača - Old Blagaj town, the former center of the medieval Land of Hum, later Herzegovina, in the unique setting of unspoiled nature, endemic plants and herbs, and one of the most beautiful and the strongest karst river sources in Europe, the river Buna, which is in harmony with the Dervish House, near Mostar and its Old Bridge, for the traveller are certainly the ideal place for visit.