The answer is Denmark which lies on top of Germany with the peninsular Jutland and the islands Fuen and Sealand with the capital Copenhagen.
Arkansas does.
Australia
Chile is in the Southern Hemisphere, because it lies south of the Equator.
Antarctica and Australia lie completely in the Southern Hemisphere.
The USA
Thailand lies on Cambodia's western border.
PAKISTAN
The country is Sumatra.
Malaysia
The Latin American country that lays southwest border of Brazil is the country of Bolivia.
I believe it is Peru.
Texas at Southern border
The Arabian Sea lies on the southern border of the nation of Pakistan. India borders it on the east and Iraq and Afghanistan border it on the west.
Massachusetts does not border any country. It lies on the east coast of the United States.
Chile has the Atacama Desert in the west and it lies in the Southern Hemisphere. So is/has/does Australia.
Brazil is a country in South America that lies mostly in the Southern Hemisphere. The river is the Amazon (6,992 km).