For almost all non European Union/EEA citizens, an entry or exit stamp is mandatory upon crossing the external Schengen border
Article 8 (3) Border Code (thorough check)
Article 11 (3) Border Code
No ‘Immigration’ (enter/exit) stamp for persons enjoying the right of free movement under Union law
A Single Entry Schengen visa is considered used
so where there is no passport control, no new Schengen entry/exit stamp can be given and the 90/180 days rule apply (the clock does not stop).
Monaco is considered to be inside the external Schengen Border
Andorra is considered outside the Schengen Area
San Marino is considered outside the Schengen Area
Vatican is considered outside the Schengen Area
References:
There are no passport controls to enter Vatican City.
Technically, the Vatican is not part of the Schengen Zone or the EU, but it has an open border with Italy, and Italy is the only way to enter the Vatican.
So no-one will even know you have visited Vatican.
As o.m mentioned:
it is more like “they have a practical agreement that the Vatican doesn’t count.” It would only really matter if someone stays more than 90 days in Schengen-plus-Vatican.
Credit:stackoverflow.com‘
4 Mar, 2024
4 Mar, 2024