Montenegro is not a member of the Schengen Area, Schengen visas are not valid.
Montenegro is not a part of the Schengen Area, therefore a Schengen visa is not valid in Montenegro. Note Montenegro does not border on any Schengen countries, so unless you are flying there from a Schengen country, you may need a visa for whatever country you travel through.
No, Croatia is not a member of the Schengen Area.
No, Albania is not a member of the Schengen Area.
Yes, Hungary is member of Schengen since 21st December 2007.
No. Not yet a member of the Schengen zone
No , Russia is not part of the Schengen Area.
Yes, The Netherlands are a member of the Schengen Area.
Yes, Denmark is a member of Schengen
No, Ireland is not part of the Schengen Area.
Switzerland has been a member of Schengen since 2008.
No, China is not a Schengen country. The Schengen Agreement is valid between most member states of the European Union and a few non-member European countries.