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No, Northanger Abbey is fictional.
Northanger Abbey was created in 1817-12.
Northanger Abbey - 2007 TV is rated/received certificates of:
Finland:K-11
Singapore:PG
UK:PG
Screen Two - 1985 Northanger Abbey 3-7 is rated/received certificates of:
Netherlands:12 (DVD rating) (2007)
yes there are if you read it thoroughly