Members of the Croatian Parliament participate in numerous ways in inter-parliamentary activities. Permanent delegations of the Croatian Parliament within inter-parliamentary organisations are one of the ways of international engagement of the Croatian Parliament.
Apart from permanent delegations, there are number of committees, that within their regular activities, act upon achieving foreign policy objectives of the Republic of Croatia. Among them, in the field of international cooperation, especially active are Foreign Policy Committee, Interparliamentary Co-operation Committee, European Affairs Committee and others.
Members of the Croatian Parliament take active part in the work of Parliamentary Friendship Groups whose number has considerably increased in the past few years.