Monarchies and ones that still use noble titles, thus there is Prince Charles because his mother is monarch. Italy no longer has a king but it has plenty of princes.
Please be more specific, the countries you want to know about....
If you mean: how many are ruled by princes (in Europe), the answer is two: Monaco and Liechtenstein. If you mean: how many know that title as part of its recognized nobility, the answer is: all kingdoms in Europe (7) plus a number of countries where this is still a recognized rank, mostly former kingdoms such as France and Italy.
princes are royal to there kingdom
Princes : ameera written as : أميرة
Two Princes was created in 1990.
Barbarian Princes was created in 1999.
Border Princes was created in 2007.
Princes Pier was created in 1915.
Princes - company - was created in 1880.
The Princes of Malibu was created in 2005.
The Politeness of Princes was created in 1902.
Princes Bridge was created in 1888.