Milano vs Milan

Milano and Milan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Milano	Yes	No	No	No
Milan	Yes	No	No	No

As nouns, Milano and Milan are synonyms defined as:

Milano and Milan: the capital of Lombardy in northern Italy; has been an international center of trade and industry since the Middle Ages

Milano (noun)	Milan (noun)
the capital of Lombardy in northern Italy; has been an international center of trade and industry since the Middle Ages	the capital of Lombardy in northern Italy; has been an international center of trade and industry since the Middle Ages