EU member country (8)
(Other definitions for estonia that I've seen before include "'So eat in here in Tallinn, say (7)'" , "Baltic state" , "Republic in the Baltic region, once part of USSR" , "So eat in here in Eastern Europe" , "Republic in northeastern Europe" .)
(Other definitions for slovenia that I've seen before include "Central European republic, became independent in 1991" , "State" , "European country, capital Ljubljana" , "Country with access to Adriatic" , "No valise to be found in the central European republic" .)