The Eastern Europe regional preparatory meeting for the 2023 meetings of the conferences of the Parties to the Basel, Rotterdam and Stockholm conventions took place from 28 to 30 March 2023 in Zagreb, Croatia. The meeting which was hosted by the Government of Croatia and organized in cooperation with the Basel Convention Regional Centre located in Slovakia, provided an opportunity for Parties in the region to consult each other in advance of the COPs and facilitate the preparation of regional positions amongst others.