The Armenian National Teams come from the Eurasian country of Armenia.
Armenia is located in Western Asia. Although they have a Junior Quidditch programme, there are no wizarding sports listed on Wikipedia (Wikipedia).
Although the date printed on the third Daily Prophet Newsletter (DP3) is 1 June 1999, the timeframe for this event is 1992-1993.
From the Web
Writing by J.K. Rowling on Pottermore:
Pottermore feature: Quidditch collection
Harry Potter Wiki: Armenian Junior Nationals Quidditch Team