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.

Can you tell me about Ethiopia?
Certainly! It is a country located in the Horn of Africa and has one of the longest and most well-known histories as a country in Africa and the world.
What can u tell me about the history?
All I have at the moment is that the polity's capital was located at Yeha which is in northern Ethiopia.
Can you tell me about the geography?
I'm sorry, at the moment I don't have any geography information, but some history information did just now come up. Around the 8th century BC, a kingdom known as D'mt was established in Tigray, northern Ethiopia, and Entrea.
Can you tell me more?
In March of 1889, Yohannes IV was killed by the Sudanese Khalifah Abdullah's army while leading his army in the Battle of Galabat, which is also called Battle of Metemma.
Do you have more interesting facts?
Yes, an interesting fact is is that a letter from Henry IV of England to the Emperor of Abyssinia still survives! Also, in 187 and 1876, Turkish/Egyptian forces accompanied by many European and American advisors invaded Abyssinia twice, but were initially defeated.
Thank you
You're welcome! Have a great day!
Ethiopia