Final answer:
The Spanish definite article of the word 'comunidades' is 'las'.
Step-by-step explanation:
The Spanish definite article of the word comunidades is las. The definite article in Spanish corresponds to the English word 'the' and it has different forms depending on the gender and number of the noun it modifies. Since comunidades is a feminine plural noun, the correct definite article is las.
Learn more about Spanish definite articles