Châteaux of the 19th century

Oberes Rittergut Langenau
Brand-Erbisdorf · Mittelsachsen District — Germany — XIX
Oberes Rittergut Langenau is a château at Brand-Erbisdorf, Saxony, in Germany. The recorded building campaign dates from the 19th century. The register records it as “heritage monument in Saxony”. Details are drawn from Wikidata.
Ockenburgh
's-Gravenhage — Netherlands — XVII–XIX
Ockenburgh is a château at 's-Gravenhage, Zuid-Holland, in the Netherlands. The recorded building campaigns date from the 17th and 19th centuries. Its architecture is recorded as Eclecticisme. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.
Old Putten
Elburg — Netherlands — XIV–XX
Old Putten is a château at Elburg, Gelderland, in the Netherlands. The recorded building campaigns date from the 14th, 19th and 20th centuries. Its architecture is recorded as Neo-Classicisme. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Olde Vechte
Ommen — Netherlands — XIX
Olde Vechte is a château at Ommen, Overijssel, in the Netherlands. The recorded building campaign dates from the 19th century. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Oldenaller
Putten — Netherlands — XV–XIX
Oldenaller is a château at Putten, Gelderland, in the Netherlands. The recorded building campaigns date from the 15th, 17th and 19th centuries. Its architecture is recorded as n.v.t.. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Oldengaerde
Westerveld — Netherlands — XV–XIX
Oldengaerde is a château at Westerveld, Drenthe, in the Netherlands. The recorded building campaigns date from the 15th, 17th, 18th and 19th centuries. Its architecture is recorded as n.v.t.. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.
Oostbroek
De Bilt — Netherlands — XIX
Oostbroek is a château at De Bilt, Utrecht, in the Netherlands. The recorded building campaign dates from the 19th century. Its architecture is recorded as Neo-Renaissance. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Oosterbroek
Tynaarlo — Netherlands — XVI–XIX
Oosterbroek is a château at Tynaarlo, Drenthe, in the Netherlands. The recorded building campaigns date from the 16th, 18th and 19th centuries. Its architecture is recorded as Traditionalisme. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.
Oostergeest
Teylingen — Netherlands — XVII–XIX
Oostergeest is a château at Teylingen, Zuid-Holland, in the Netherlands. The recorded building campaigns date from the 17th, 18th and 19th centuries. Its architecture is recorded as Hollands Classicisme. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Oosterhout
Haarlem — Netherlands — XVIII–XIX
Oosterhout is a château at Haarlem, Noord-Holland, in the Netherlands. The recorded building campaigns date from the 18th and 19th centuries. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.
Oosterwijk
Hollands Kroon — Netherlands — XIX
Oosterwijk is a château at Hollands Kroon, Noord-Holland, in the Netherlands. The recorded building campaign dates from the 19th century. Its architecture is recorded as Eclecticisme. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Orangerie du château de Montmorency
Montmorency · Val-d’Oise — France — XVIII–XIX
Orangerie du château de Montmorency is a château at Montmorency, Val-d'Oise, in the Île-de-France region of France. The recorded building campaigns date from the 18th and 19th centuries. It is protected as a monument historique at the second level (inscrit). Details are drawn from the Base Mérimée of the French Ministry of Culture.

Orangerieschloss
Potsdam — Germany — XIX
Orangerieschloss is a château at Potsdam, in Germany. The recorded building campaign dates from the 19th century. Its architecture is recorded as Renaissance Revival architecture. The register records it as “architectural heritage monument”. Details are drawn from Wikidata.

Osborne House
East Cowes — United Kingdom — XIX
Osborne House is a château at East Cowes, England, in the United Kingdom. The recorded building campaign dates from the 19th century. Its architecture is recorded as Renaissance Revival architecture. The register records it as “Grade I listed building”. Details are drawn from Wikidata.

Östliches Herrenhaus (Einzeldenkmal zu ID-Nr. 09304032) Saritsch 1
Neschwitz · Bautzen District — Germany — XIX
Östliches Herrenhaus (Einzeldenkmal zu ID-Nr. 09304032) Saritsch 1 is a château at Neschwitz, Saxony, in Germany. The recorded building campaign dates from the 19th century. The register records it as “heritage monument in Saxony”. Details are drawn from Wikidata.

Oud Amelisweerd
Bunnik — Netherlands — XV–XX
Oud Amelisweerd is a château at Bunnik, Utrecht, in the Netherlands. The recorded building campaigns date from the 15th, 16th, 18th, 19th and 20th centuries. Its architecture is recorded as n.v.t.. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.
Oud Wassenaar
Wassenaar — Netherlands — XVI–XX
Oud Wassenaar is a château at Wassenaar, Zuid-Holland, in the Netherlands. The recorded building campaigns date from the 16th, 19th and 20th centuries. Its architecture is recorded as Neo-Renaissance. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Oud-Crailo
Huizen — Netherlands — XIX
Oud-Crailo is a château at Huizen, Noord-Holland, in the Netherlands. The recorded building campaign dates from the 19th century. Its architecture is recorded as Neo-Classicisme. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Oud-Poelgeest
Oegstgeest — Netherlands — XVII–XIX
Oud-Poelgeest is a château at Oegstgeest, Zuid-Holland, in the Netherlands. The recorded building campaigns date from the 17th and 19th centuries. Its architecture is recorded as n.v.t.. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Over Holland
Stichtse Vecht — Netherlands — XV–XXI
Over Holland is a château at Stichtse Vecht, Utrecht, in the Netherlands. The recorded building campaigns date from the 15th, 17th, 18th, 19th, 20th and 21st centuries. Its architecture is recorded as n.v.t.. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Overbeek
Bloemendaal — Netherlands — XIX
Overbeek is a château at Bloemendaal, Noord-Holland, in the Netherlands. The recorded building campaign dates from the 19th century. The register records it as “rijksmonument”. Details are drawn from Rijksmonumentenregister.

Palacete das Murtas
Sintra (Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim) — Portugal — XIX
Palacete das Murtas is a château at Sintra (Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim), Lisbon, in Portugal. The recorded building campaign dates from the 19th century. The register records it as “heritage without legal protection”. Details are drawn from Wikidata.

Palacete do Chafariz d’El-Rei
Santa Maria Maior — Portugal — XIX
Palacete do Chafariz d’El-Rei is a château at Santa Maria Maior, Lisbon, in Portugal. The recorded building campaign dates from the 19th century. The register records it as “Monument of Municipal Interest”. Details are drawn from Wikidata.
- XIX
Palacete do Tenente João de Carvalho
Faro (Sé e São Pedro) — Portugal — XIX
Palacete do Tenente João de Carvalho is a château at Faro (Sé e São Pedro), Faro, in Portugal. The recorded building campaign dates from the 19th century. The register records it as “heritage without legal protection”. Details are drawn from Wikidata.