Trebinje, one of the most fascinating Herzegovina towns, is a small urban centre in the southern corner of the country, at about 113 km from Mostar. It deve-loped under Byzantine infl uence, under the Ottoman Empire and during the Austrian-Hungarian epoch. Its historical centre lies on the banks of the Trebišnici River and was mentioned for the fi rst time in the 10th century by the Byzantine historian Konstantin Porfi rgenit. Some of the most important monuments are: the Monastery of Tvrdoši (15th century); the Arslanagić Bridge, built by the Ottomans in 1574 as a vital passage way for the commerce of salt; the Osman Paša Mosque (1726) and the New Orthodox Monastery, known as “Gračanica of Herzegovina” (it was built on the model of the Monastery of Gračanica in Kosovo), standing on the hill, south of the city. nside the Monastery lies the poet and diplomat Jovan Dučić.The tree-lined square Jovan Dučić is a meeting place for the people of Trebinje and, in the morning, it holds a very popular and lively market.From the Mostar coach station (Autobusni kolodvor, in Vukovarska b.b.) there are daily, direct buses to Trebinje.