I would have to say China, search this site:
* http://en.wikipedia.org/wiki/Asia
New guinea shares the border of papua new guinea. (Indonesia)
China is the largest country that borders Nepal.
Turkey
Nepal
Sudan (easy)
Japan
Nepal
Bangkok
Hunza Borders with China, India, Afghanistan and central Asian countries.
Asian country Africa
it is not a central asian country, it is a south asian country. Central asian countries are countries which was earlier part of the soviet union. Tajikisthan, Turkmenistan, Khazikistan etc are central asian countries...
"Afro" "Asian" is not a country it is a gneral ethnicity/cultural description.