The monastery with the Church of the Annunciation of Our Lady stands on a 143 metre hill dividing the town of Nova Gorica and the suburb of Pristava. It is located just some 200 meters from the border with Italy. It is famous as the burial place of Charles X of France and his family.
In 1623 as small Carmelite sanctuary was erected just outside the limits of the town of Gorizia. In the next hundred years, a monastery was built next to the church, while the monastic chapel became an important site for pilgrims from Friuli and Goriška regions. In 1781, the monastery was disbanded by the Habsburg Emperor Joseph II. In 1811, the Franciscan friars acquired the abandoned complex, re-establishing the monastery. Among other, they brought a notable library containing some 10,000 books, which they transferred from the nearby Sveta Gora monastery. Today, the library is named after Father Stanislav Škrabec, a renowned Slovene linguist from the 19th century who lived and worked in the monastery for more than 40 years.
The Kostanjevica monastery was severely damaged in the Battles of the Isonzo during World War I. It was restored between 1924 and 1929. Until the end of World War II, the monastery was part of the town of Gorizia. In 1947, the border between Italy and Yugoslavia was set just a few hundred meters westward from the monastery, and Kostanjevica became part of the newly established town of Nova Gorica.
In the 19th century, the crypt of the Franciscan monastery was used for the burial of members of the French House of Bourbon who went into exile after the July Revolution. Most of them had settled in Gorizia, then part of the Austrian Empire, in the 1830s. The buried in the crypt are:
- Charles X of France, King of France and Navarre
- Henri, comte de Chambord, Dauphin of France
- Pierre Louis Jean Casimir de Blacas
- Louis-Antoine, Duke of Angoulême
- Louise Marie Thérèse d'Artois
- Archduchess Maria Theresa of Austria-Este (1817–1886)
- Marie-Thérèse Charlotte de France
- Kostanjevica Monastery Official Site (Slovene)(English)
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