The last time i've received a card from Estonia, was probably more than 1 year ago :o I've sent a couple of official cards to Estonia not so long ago but getting cards from there doesn't happen that often.
Viljandi is a town and municipality in southern Estonia. It is the capital of Viljandi County. The town was first mentioned in 1283, upon being granted its town charter by Wilhelm von Endorpe. The town became a member of the Hanseatic League at the beginning of the 14th century, and is one of five Estonian towns and cities in the league. - in: wikipedia