Only three countries share a border with Luxembourg. They are Belgium, France, and Germany.
There are four countries which share border with Pakistan. China at north, India at East, Afghanistan and Iran at West. Although, Russia doesn't share border directly with Pakistan but it is very near and can be approached through Durand Line, Border between Pakistan and Afghanistan.
There are three countries that share a border with Poland and the Baltic Sea. Germany, Russia, and Lithuania all share borders with Poland.
North Korea borders three countries, not two. They are China, Russia, and South Korea.
There are three: United States, Belize and Guatemala.
The three countries that border the Yellow Sea are China, North Korea, South Korea
Arunachal Pradesh. It shares its international border with Bhutan, China and Myanmar. Also Sikkim, it shares its international border with Bhutan, Nepal, and Tibet (China)
The People's Republic of China (PRC) is bordered by more than three countries alone. Three major nations that border the PRC are the Russian Federation, Republic of India, and the Republic of Kazakhstan.
Russian BordersChina, Norway, and Mongolia border Russia. All the other countries that border Russia are as follows:AzerbaidjanFinlandGeorgiaKazakhstanUkraine
Cambodia. Laos and China.Cambodia, Laos and China border Vietnam
Russia, Kazakhstan and Mongolia
Arunachal Pradesh. It shares its international border with Bhutan, China and Myanmar.