The dissolution of the socialist bloc entailed processes of state-buil
ding not only in the former USSR and Yugoslavia, but also in Central E
urope. The old opposition between territory and ethnicity as the basis
for state identity and citizen right came to the fore. The questions
of state boundaries ethnic minorities began to influence international
relations more strongly than in the previous decades. The article dis
cusses some manifestations and possible consequences of this trend. Hu
ngary and former Czechoslovakia are chosen as examples because they ha
ve problems in common, because Hungary and Slovakia represent differen
t cases as to the location of minorities (outside or inside the state)
and because the separation of the Czech lands and Slovakia is a good
example of the significance ot' the principle of ethnicity. The relati
ons between Hungary and her neighbours are analysed with the ethnic qu
estion in focus. The analysis of: the relations between the Czech, lan
ds and Slovakia points to the salience of economic questions. The arti
cle is an elaboration on and updating of certain previous studies by t
he author.