| Honorific Prefix: | Saint |
| Basil of Ostrog | |
| Birth Date: | 28 December 1610 |
| Feast Day: | 12 May (O.S. 29 April) |
| Venerated In: | Eastern Orthodox Church |
| Birth Place: | Mrkonjići, Herzegovina, Ottoman Empire |
| Death Place: | Ostrog Monastery |
| Titles: | Bishop of Zahumlje and Herzegovina |
| Major Shrine: | Ostrog Monastery |
Basil of Ostrog (Serbian: Свети Василије Острошки|Sveti Vasilije Ostroški, pronounced as /sʋê:ti ʋǎsiːlije ǒstroʃki/; 28 December 1610 – 29 April 1671), also known as Vasilije,[1] was a Serbian Orthodox bishop of Zahumlje who is venerated as a saint in the Eastern Orthodox Church.
Stojan Jovanović (Serbian: Стојан Јовановић) was born on 28 December 1610, in the village of Mrkonjići at the Popovo field in the Ljubinje nahija (Herzegovina), at the time part of the Ottoman Empire. His father was Petar Stojanović and his mother was Ana. Legends about him describe him as a diligent and obedient child, saying he inherited his graciousness and benevolence from his parents.
Having raised cattle on the Herzegovinian hills and mountain slopes, he shared all of his food with poorer people. The Ottomans started to notice him and his parents took him to the nearby Zavala Monastery, where his paternal uncle, the hieromonk Serafim served as the hegumen of the monastery. There, he would study and be protected.[2]
At that time, the monastery had a large library at the monastery church of the Presentation of the Blessed Virgin Mary. He quickly became a master of the Bible and basic Christian mysteries. After a while, his uncle sent him to the Monastery of the Most Holy Mother of God, the Tvrdoš Monastery in Trebinje, for further spiritual and theological studies.
St. Basil's modesty made him reluctant to occupy high positions. However, his dedication to the Church led to his election as Bishop of Zahumlje and Skenderija in 1639. He retired from the position in 1649.
After his death in 1671, he was buried at the Ostrog Monastery which he had founded in Montenegro. His tomb in a cave-church soon became a site of pilgrimage for Christians (both Orthodox and Roman Catholic) and Muslims who were drawn by reports of miracles occurring through the intercession of the saint. The Monastery is now one of the major pilgrimage sites in the Balkans, and large numbers of pilgrims gather, particularly at Pentecost. St. Basil of Ostrog is commemorated in the Serbian orthodox liturgical calendar on April 29 (May 12 in the Gregorian Calendar).[3]
The Orthodox seminary in East Sarajevo (Pravoslavni bogoslovski fakultet Sveti Vasilije Ostroški), part of the University of East Sarajevo, is named after him.
A church in Nalježići, in the Grbalj region is also named after him.