Tvrdoš Monastery built
15 CE.
Shown on the map at 42.718°, 18.293°.
The Tvrdoš Monastery (Serbian: Манастир Тврдош, romanized: Manastir Tvrdoš) is a 15th-century Serbian Orthodox monastery near the town of Trebinje, Republika Srpska, Bosnia and Herzegovina. It was established at the end of the 15th or in the early 16th century.
Text from the Wikipedia article Tvrdoš Monastery, licensed CC BY-SA 4.0.