wileńskiemu

In a sentence

• Dziękuję wileńskiemu przewodnikowi za ciekawą wycieczkę.

  I thank the Vilnius guide for an interesting trip.

  The word 'wileńskiemu' is used here as a dative adjective referring to a male guide associated with Vilnius.

• Książka była zadedykowana wileńskiemu pisarzowi.

  The book was dedicated to a Vilnius writer.

  In this sentence, 'wileńskiemu' describes the writer, showing association with Vilnius, and is in dative form to indicate the recipient of the dedication.

• Przekazałem wileńskiemu ambasadorowi list.

  I handed a letter to the Vilnius ambassador.

  Here, 'wileńskiemu' is in dative case modifying 'ambasadorowi', identifying the ambassador associated with Vilnius, as the indirect object receiving the letter.