The closest is Royal Palace, Oslo, 1 km north-west of the city centre; the most famous is Akershus Fortress — #155 of 8,133 worldwide — 1 km south.
Every one of them stands in Norway — the country page shows the full national picture.
🇳🇴 Norway
Castles near Oslo
10 castles, fortresses, palaces and ruins within 100 km of the city centre — every one on the interactive map, with photos, distances and directions.
Within 25 km of Oslo
- Akershus Fortress
1 km south · Fortress · #155 worldwide
Akershus Fortress or Akershus Castle is a medieval castle in the Norwegian capital Oslo that was built to protect and provide a royal residence for…
- Royal Palace, Oslo
1 km north-west · Palace & château · #185 worldwide
The Royal Palace in Oslo was built in the first half of the 19th century as the Norwegian residence of the French-born Charles XIV John, who reigned…
- Oscarshall
3 km west · Palace & château
Oscarshall Palace is a maison de plaisance located in the small fjord Frognerkilen on Bygdøy in Oslo, Norway.
Day trips: 25–60 km
- Oscarsborg Fortress
28 km south · Fortress
Oscarsborg Fortress is a coastal fortress in the Oslofjord, close to the town of Drøbak in Akershus County, Norway.
- Norske Løve Fortress
54 km south · Fortress
Norske Løve is the name of a 19th-century fortress built from 1852 to 1859 to protect Karljohansvern naval station at Horten in Norway.
Farther afield: 60–100 km
- Fredriksten
96 km south-east · Fortress
Fredriksten is a fortress in the city of Halden in Halden Municipality, Østfold county, Norway.
- Tønsberg Fortress
74 km south · Ruin
Tønsberg Fortress was a medieval fortress and castle, located in Tønsberg, Norway.
- Jarlsberg Manor
72 km south · Palace & château
Jarlsberg Manor is a manor located about 3 kilometres northwest of the centre of the town of Tønsberg in Tønsberg Municipality, Vestfold county,…
- Kongsvinger Fortress
77 km north-east · Fortress
Kongsvinger Fortress is located in the city of Kongsvinger which is located within Kongsvinger Municipality in Innlandet county, Norway.
- Fredrikstad Fortress
80 km south · Fortress
Fredrikstad fortress was a fortification in Fredrikstad, Norway. It was the base of the Østfold Regiment, with defence related responsibilities for…
Distances are straight-line from the city centre. City coordinates and population: Wikidata Q585.
Frequently asked questions
How many castles are near Oslo?
The Castlemap atlas maps 10 landmarks (6 fortresses · 3 palaces & châteaux · 1 ruin) within 100 km of the centre of Oslo, measured straight-line — a curated selection of well-documented landmarks, not a count of every fortification ever built.
What is the closest castle to Oslo?
Royal Palace, Oslo, a palace 1 km north-west of the city centre.
What is the most famous castle near Oslo?
Akershus Fortress, ranked #155 of 8,133 worldwide in the atlas's fame ranking — 1 km south from Oslo.
Nearby city guides: Gothenburg (255 km) · Örebro (261 km) · Borås (275 km). See also medieval castles · all rankings · castles by country.