Given the task definition and input, reply with output. In this task, you are given dialogue, and you have to find the most critical location in the given conversation.

Tell me about the politics of Luxembourg.
OK. Luxembourg is a big supporter of European political and economic integration. It was one of the first countries in the European Union.
Can you tell me about how the area is administered?
I do not have specific information about that, but Luxembourg does not have its own Air Force; although, 17 NATO airplanes are registered as Luxembourg aircraft.
Do they have a king or president?
I do not have that specific information, but its official name is the Grand Duchy of Luxembourg.
Can you tell me more about its geography?
Sure! Luxembourg is a small, landlocked country that borders Germany to the east and France to the south.
Is there a mountain range?
The area known as Little Switzerland in the east of the region has thick forests and craggy terrain.
Is the country landlocked?
As I stated previously, it is a small, landlocked country.
Thanks for the info!
You are welcome.
Luxembourg