Sinhagad

India

Sinj Fortress

Croatia

Sint Pietersvoeren Castle

Belgium

Sint-Pietersheim Castle

Belgium

Sion Hillock Fort

India

Sipernau Castle

Belgium

Siri Fort

India

Sirok Castle

Hungary

Sisak Fortress

Croatia

Sisi Berd

Armenia

Sisupalgarh

India

Sitabuldi Fort

India

Sitno Castle

Slovakia

Siwana

India

Sjöö Castle

Sweden

Private residence

Skabersjö Castle

Sweden

Private residence

Skala-Podilska Castle

Ukraine

Skalat Castle

Ukraine

Skallum

Norway

Skandagiri

India

Skanderborg Palace

Denmark

Skardu Fort

Pakistan

Skarhult Castle

Sweden

Private residence

Skarszewy

Poland

Skaugum Manor

Norway

Sketrick Castle

Ireland

Skiathos Castle

Greece

Byzantine period

Skierbieszów

Poland

Skinnarbøl Manor

Norway

Skjoldnæsholm

Denmark

Sklabiňa Castle

Slovakia

Skokloster Castle

Sweden

Museum

Skottorp Castle

Sweden

Private residence, café

Skrad castle

Croatia

Skredshol Manor

Norway

Skrøbelev Gods

Denmark