Koštabona
human settlement

Koštabona (pronounced [kɔʃtaˈboːna]; Italian: Costabona) is a village in the City Municipality of Koper in the Littoral region of Slovenia.
Name
Koštabona was attested in written sources in 1620 as Costabuona, and in 1763–87 as Costabona. The Slovene name Koštabona is borrowed from Italian. The name is a compound of costa 'slope' and bona 'good, fertile', referring to its physical location on a fertile promontory.
Another theory, based on oral tradition, claims that in Late Antiquity Koštabona was the site of a Roman fortress named Castrum Bonae guarding the trade route through the Dragonja Valley, and that the name is derived from this. However, Italian has no co- reflex derived from this noun (cf. Italian castellum 'castle'), and the expected Italian reflex of Latin castrum would be **castro, not costa (cf. Latin astrum > Italian astro 'star', Latin rastrum > Italian rastro 'rake', etc.).
History
Koštabona stands on a hill above the Dragonja River. Archaeological evidence shows that the site was inhabited in prehistoric times.
“Koštabona” enters the record as human settlement. Crown Archives preserves that source wording while asking what Koštabona, human and settlement can confirm, complicate or overturn.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 24, 2026. The linked authority identifier is Q1401166. VIAF identifies the subject as 98145857819423020142. Authority coordinates are 45.479, 13.737. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1620 and 1763.
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This entry incorporates text from “Koštabona” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.