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Agreement between castles for the purpose of promoting cultural exchange
A sister castle or twin castle relationship is the castle equivalent of sister city , between two geographically distinct castles, usually by agreement between two local governments famous for castles.
Some Japanese castles establish sister relationships with not only domestic castles but also European castles.
On 26 March 2015, Conwy Castle in Wales was twinned with Himeji Castle . Both castles are World Heritage Sites .[ 1] [ 2]
The term friendship castle alliance (友好城郭) is also used, but it is distinguished from sister castle(姉妹城) like the examples of Himeji Castle and Osaka castle .[citation needed ]
List of sister castles and friend castles [ edit ]
Sister castle relationship(姉妹城)
Friendship castle alliance(友好城郭)
Date
Castle 1
Distinction
Castle 2
Distinction
ref.
1966, 15 August
Hikone Castle
National Treasure National Special Historic Site of Japan
Takamatsu Castle
Important Cultural Property National Historic Site of Japan National Place of Scenic Beauty
[ 3]
1983, 29 April
Nagahama Castle
-
Osaka Castle
Important Cultural Property National Special Historic Site of Japan
[ 4]
1985, 2 November
Osaka Castle
Important Cultural Property National Special Historic Site of Japan
Wakayama Castle
Important Cultural Property National Historic Site of Japan National Place of Scenic Beauty
[ 4]
1989, 2 November
Marksburg
World Heritage Site
Maruoka Castle
Important Cultural Property
[ 5] [ 6]
1989, 11 May
Château de Chantilly
-
Himeji Castle
World Heritage Site National Treasure National Special Historic Site of Japan
[ 7] [ 8]
2006, 10 October
Osaka Castle
Important Cultural Property National Special Historic Site of Japan
Ueda Castle
National Historic Site of Japan
[ 4]
2009, 2 October
Schloss Eggenberg
World Heritage Site
Osaka Castle
National Historic Site of Japan Special Historic Sites
[ 4]
2015, 26 March
Himeji Castle
World Heritage Site National Treasure National Special Historic Site of Japan
Neuschwanstein Castle
-
[ 7] [ 8]
2017, 11 April
Château des ducs de Bretagne
Monument historique
Osaka Castle
Important Cultural Property National Special Historic Site of Japan
[ 4]
2019, 29 October
Conwy Castle
World Heritage Site Listed building-Grade 1
Himeji Castle
World Heritage Site National Treasure National Special Historic Site of Japan
[ 8]
2022, 3 October
Osaka Castle
Important Cultural Property National Special Historic Site of Japan
Castello Sforzesco
-
[ 9]