Which of the following Asian countries is landlocked?

Asia has a long coastline as three of the world’s oceans surround the continent. Indonesia has the longest coastline of any Asian country, which stretches over 59,140 miles in length. However, 12 countries in the continent have no coastline as they are landlocked. These landlocked countries are Afghanistan, Armenia, Azerbaijan, Bhutan, Turkmenistan, Kazakhstan, Kyrgyzstan, Laos, Mongolia, Nepal, Tajikistan, and Uzbekistan.

Source: World Atlas