Italy doesn't have a proper midweek chart data report but estimates are available to work who work in the industry and MadonnaTribe can report they indicate that "Celebration" is set to enter straight to #1 in the Italian album chart in the next update that will be released next Monday.
This will make "Celebration" the fourth Madonna CD in a row topping the charts in Italy (not counting the audio CD in the I'm Going To Tell You A Secret and Confessions Tour DVD bundles).
The top placement for Madonna's albums in the Italian charts (so far) are as follows:

Madonna #8
Like a Virgin #1
True Blue #1
Who's That Girl #1
You Can dance #6
Like a Prayer #1
I'm Breathless #1
The Immaculate Collection #9
Erotica #2
Bedtime Stories #2
Something To Remember #1
Evita #2
Ray Of Light #1
Music #1
GHV2 #7
American Life #1
Confessions On A Dance Floor #1
Hard Candy # 1

Source: MadonnaTribe