La pizza è italiana
, il chili messicano
, il sushi giapponese
, la paella spagnola
, i croissant francesi
What do the words in italics have in common? All of them refer to nationalities or places of origin.
In Italian these words are never capitalised, and, grammatically speaking, they are adjectives
, so they must agree in both number and gender with the nouns they modify.