The town lies on the Trebišnjica River with several mills along the river, as well as several bridges, including 2 in Trebinje itself, and a historic Ottoman Arslanagic bridge nearby . There is an Orthodox church in Trebinje, Saborna Crkva, as well as a new monastery, Hercegovacka Gracanica, located above the town, on the historic hill known as Crkvina, while nearby is also Tvrdoš Monastery (with and excellent wine production), dating back to the 15th century. Trebinje is also home to the Catholic Cathedral of the Birth of Mary and The Osman-Pasha Mosque . Trebijnje has important honey and wine production. Slow Food presidium "poliak bean" is from Terbinije area too.
Most of the city was constructed during the Ottoman and Austro-Hungarian period. Mehmed Paša Sokolović built the beautiful Arslanagića Bridge in 16th century. Today this bridge is a candidate for UNESCO’s list of protected monuments.