SInce the original inception of Geni, the only languages was english, so it was natural to many user to enter certain items (like the country name, for example) in English rather than the local language (so Italia would be entered as Italy).
Now most of Geni is (or can be) localized, so most new users enter their details in their own language so when ones look at the stats, for example, he can see that his relatives lives in 2 different countries: The european Italy and the more mediterranean Italia…