This is the 61st most frequent Czech word.
tu
"Tu" in Czech means "here" or "this."
In this sentence, 'tu' is the accusative form of the demonstrative pronoun 'ta', referring to a specific book mentioned or implied in the context.
Viděla jsem tu knihu na stole.
I saw this book on the table.
Here, 'tu' functions as an adverb, meaning 'here', used to indicate the location of the referred castle.
Tu se nachází zámek mého dětství.
Here lies the castle of my childhood.
In this example, 'tu' is used as a demonstrative pronoun in a specific context, emphasizing the closeness or relevance of 'bad luck' to the speaker.