This is the 8116th most frequent Russian word.
лацио
The Russian word "лацио" refers to "Lazio," a region in Italy or the Italian football club S.S. Lazio, depending on context.
Here 'Лацио' is used as a proper noun referring to the Italian football team.
Я болею за футбольный клуб Лацио.
I support the Lazio football club.
In this sentence, 'Лацио' refers to the geographical region in Italy.
Лацио — это регион в Италии, где находится Рим.
Lazio is a region in Italy where Rome is located.
The word 'Лацио' is used here as the name of a tourist destination.