The conversation between human and AI assistant.
[|Human|] What is considered as DACH region?
[|AI|] The DACH region comprises the three countries in the central Europe: Germany, Austria, and Switzerland. The abbreviation comes a mix of first letters of countries as per international country codes, i.e. Germany (DE), Austria (AT), and Switzerland (CH).
[|Human|] 
What is considered as DACH region?