The major deserts in the United States:
Mojave Desert (includes Death Valley)
Chihuahuan Desert
Great Basin Desert
Sonoran Desert (includes the Colorado Desert)
Colorado Plateau Desert (includes the Painted Desert)
There are five major deserts in the United States:
Mojave Desert
Great Basin Desert
Sonoran Desert
Chihuahuan Desert
Colorado Plateau Desert
Generally, deserts would be located in the southern US
The Mojave, Chihuahuan and Sonoran Deserts are hot (tropical) deserts. All others are cold winter deserts.
Florida has no deserts.
Quebec has no deserts.
Connecticut has no deserts.
There are no deserts in Massachusetts.
Maine has no deserts.
No, not all deserts are surrounded by deserts.
Australia has many, many deserts. Its capital is Canberra. Chile has deserts. Its capital is Santiago. Egypt has deserts and its capital is Cairo. Algeria has deserts and its capital is Algiers.
Nearly the entire state of Nevada is covered by deserts.
Korea has no true deserts.
Hawaii has no true deserts.