appelées

In a sentence

• Les régions appelées « zones prioritaires » reçoivent plus de financement.

  The regions called "priority zones" receive more funding.

  In this sentence, "appelées" is the past participle of "appeler" used as an adjective to describe "régions." It agrees in gender and number with "régions."

• Nous avons vu des institutions appelées à participer au projet.

  We saw institutions called upon to participate in the project.

  Here, "appelées" is the past participle of "appeler," functioning as part of a passive construction indicating the institutions invited or designated for participation.

• Ces fleurs sont appelées marguerites en français.

  These flowers are called daisies in French.

  The usage of "appelées" here is in a passive form to describe how the flowers are denominated in the language, agreeing with "fleurs" in gender and number.