Catalan shares many traits with its neighboring Romance languages. However, despite being mostly situated in the <answer>Iberian Peninsula</answer>, Catalan differs more from Iberian Romance (such as Spanish and Portuguese) in terms of vocabulary, pronunciation, and grammar than from Gallo-Romance (Occitan, French, Gallo-Italic languages, etc.). These similarities are most notable with Occitan.
Where is Catalonia located?
Iberian Peninsula