It is the northernmost part of the current Languedoc-Roussillon region and is surrounded by 5 departments belonging to 4 regions : Cantal and Haute-Loire departments of the Auvergne region , Ardèche department of the Rhône-Alpes region , Gard department of the Languedoc-Roussillon region , and Aveyron department of the Midi-Pyrénées region .
It is surrounded by 5 departments belonging to 4 regions : Cantal and Haute-Loire departments of the Auvergne region , Ardèche department of the Rhône-Alpes region , Gard department of the Languedoc-Roussillon region , and Aveyron department of the Midi-Pyrénées region .