Answer:
I start with āeā end with āeā. I have whole countries inside me. What am I?
What is the word that even in plain sight remains hidden?
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
This is a dead giveaway
One am I, among six others: Largest, smallest, cold, dark and two brothers
Be sure to shout for its answers are weak, but there is no language it cannot speak.