plaża

In a sentence

• Uwielbiam chodzić na plażę podczas letnich wakacji.

  I love going to the beach during summer holidays.

  Here, 'plażę' is in the accusative case because it's the object of the verb 'chodzić na'.

• Widok z okna mojego pokoju obejmuje piękną plażę.

  The view from my room's window includes a beautiful beach.

  Here, 'plażę' is in the accusative case as it's part of the complement in the sentence describing the view.

• Dzieci budują zamki z piasku na plaży przez cały dzień.

  Children build sandcastles on the beach throughout the day.

  Here, 'plaży' is in the locative case as it specifies the location where the action takes place.