This is the 629th most frequent Italian word.
europei
"Europei" means "Europeans" in English.
In this sentence, "europei" is a plural noun referring to the people from Europe.
Gli europei apprezzano molto la diversità culturale.
Europeans greatly appreciate cultural diversity.
Here, "europei" is an adjective describing 'monumenti' (monuments), indicating they are situated in Europe.
I monumenti europei attraggono molti turisti ogni anno.
European monuments attract many tourists every year.
In this usage, "europei" is an adjective describing 'campionati' (championships), implying these championships have European scope.