Yes, Denmark is a member of Schengen
Neither Denmark nor Greenland have states. They use Regions and Municipalities
There are no states in Denmark like the US. The capital city, if that is what you are asking, in Denmark, is Copenhagen, or København in Danish.
The United States?
7
provide states with city county town named denmark is us
Persian. Raised in United States & Denmark
Greenland and Iceland.
Germany, United States, Norway, and Denmark.
Horatio
There are five regions in Denmark: Region Syddanmark, Region Sjælland, Region Nordjylland, Region Midtjylland, and Region Hovedstaden.
Two states are represented on the Jutland Peninsula; Denmark and Germany - out of those Denmark is the clearly smallest country/nation, but Denmark hold the majority of Jutland's surface area.