Slovenia

Brdo Castle near Kranj (Slovene: grad Brdo pri Kranju, German: Egg bei Krainburg), usually simply Brdo Castle (Slovene: grad Brdo), is an estate and a mansion in the Slovenian region of Upper Carniola west of the village of Predoslje, City Municipality of Kranj, northwest of Ljubljana. It is the Slovenian government's main venue for diplomatic meetings and other government-sponsored events.

Bled Castle (Slovene: Blejski grad, German: Burg Veldes) is a medieval castle built on a precipice above the city of Bled in Slovenia, overlooking Lake Bled. According to written sources, it is the oldest Slovenian castle and is currently one of Slovenia's most visited tourist attractions.

Ljubljana Castle (Slovene: Ljubljanski grad, German: Laibacher Schloss) is a castle complex standing on Castle Hill above downtown Ljubljana, the capital of Slovenia. It is a key landmark of the town.

Predjama Castle (Slovene: Predjamski grad or grad Predjama, German: Höhlenburg Lueg, Italian: Castel Lueghi; Venetian: Casteło de Predjama) is a Renaissance castle built within a cave mouth in south-central Slovenia, in the historical region of Inner Carniola. It is located in the village of Predjama, approximately 11 kilometres from the town of Postojna and 9 kilometres from Postojna Cave.

Celje Castle (Slovene: Celjski grad), also known as Celje Upper Castle (Celjski zgornji grad) or Old Castle (Stari grad), is a castle ruin in Celje, Slovenia, formerly the seat of the Counts of Celje. It stands on three hills to the southeast of Celje, where the river Savinja meanders into the Laško valley.

Ptuj Castle (Slovene: Ptujski grad) is a castle in Ptuj, Slovenia. It stands on a hill alongside the Drava River overlooking the town, and it is a prominent landmark.

Strmol Castle (German: Burg Stermol, Slovene: grad Strmol) is a castle located at the foot of Dvorjanski hrib ("Mansion Hill") near the villages of Češnjevek, Grad and Dvorje, in the Municipality of Cerklje na Gorenjskem, Slovenia. Named after its builders, the Strmol family, it is notable as one of the few castles in Slovenia to retain a Slovene name throughout its history.

Branik Castle (Slovene: Grad Branik, pronounced [bɾaˈniːk]), also known as Rihemberk Castle (Grad Rihemberk, pronounced [ˈɾiːxəmbɛɾk]), is a 13th-century castle above the village of Branik, near the city of Nova Gorica in southwestern Slovenia.

Snežnik Castle (Slovene: Grad Snežnik, German: Schloß Schneeberg) is a 13th-century castle in the municipality of Loška Dolina, Slovenia. It is located in the southwest part of the Lož Valley, near the settlement of Kozarišče.

Bogenšperk Castle (pronounced [ˈboːɡɛnʃpɛɾk]; Slovene: Grad Bogenšperk, German: Schloss Wagensperg) is a 16th-century castle located in the Municipality of Šmartno pri Litiji in central Slovenia. It is best known for its association with the 17th-century scientist and natural historian Johann Weikhard von Valvasor, a fellow of the Royal Society in London.