is Monaco masculine or feminine?

Question

ie le Monaco or la Monaco

Answer 1

C'est le Monaco.

Sra (aka Mme)

Answer 2

We do not say either le Monaco or la Monaco, this name of country has no article, as Cuba, Israel, Taiwan, Haiti, Chypre (Cyprus), Madagascar and some others. However, if it is necessary to make the agreement of an adjective or a participle, it will masculine.
Ex. Monaco que j’ai visité l’an dernier.