Yes, there are. A city is named Santa Claus in George and a town is named so in Indiana. Santa Claus is also an uninhabited desert town in Arizona.
With the possible exception of some tiny town somewhere, I can find no reference to any American town named "Barcelona", let alone a city with that name in the USA.
There are no cities, but there is an unincorporated community named Zoe, in Lee County, Kentucky.
No, there are no cities or towns by the name of Ethiopia in the US. However, there is a country known as Ethiopia, located in East Africa.
No she did not
NO
No, Switzerland is a country.
yes
There are several US cities named 'Bagdad.'
no
The entire continent of Africa is south of Spain. Pick any three African cities.
Frandenstein, Missouri