Help changing the url permalink

Hi, we need change the urls of Wp Job Manager Regions. For example from: https://www.todoenlaces.com/region-voluntariado/madrid/ to https://www.todoenlaces.com/provincia/madrid/

or from https://www.todoenlaces.com/region-voluntariado/sevilla/ to https://www.todoenlaces.com/provincia/sevilla/

I search in database and in the ftp files and can’t find the words “region-voluntariado” for replace to “provincia”, I’m crazy with this. I also see in the WordPress permalinks but no show the regions field.

Thanks very much for some help!. In our

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