więźniów

In a sentence

• Więźniów w tym więzieniu jest więcej niż w innym.

  There are more prisoners in this prison than in the other.

  The word "więźniów" is used as the genitive plural form of "więzień" (prisoner) to indicate a quantity (more prisoners).

• Prawa więźniów są chronione przez prawo międzynarodowe.

  The rights of the prisoners are protected by international law.

  Here, "więźniów" is in the genitive plural form to show possession or associated rights (prisoners' rights).

• Grupa więźniów przeszła przez korytarz pod nadzorem strażnika.

  A group of prisoners passed through the corridor under the guard's supervision.

  In this case, "więźniów" describes a group in the genitive plural form, typically used after a noun indicating a set or group.