The Croatian participating broadcaster, Hrvatska radiotelevizija (HRT), organised the national final Dora 2000 to select its entry for the contest.

Twenty-six entries competed in the national final on 19 February 2000 and "Ostani" performed by Goran Karan was selected as the winner following the combination of votes from 20 regional juries and a public televote.

Between 1993 and 1999, the broadcaster organised the national final Dora in order to select its entry for the contest, a method that continued for its 2000 participation.

The competition consisted of twenty entries competing in one final on 19 February 2000 at the Hotel Kvarner in Opatija, hosted by Vlatka Pokos and Marko Rašica.

A nine-member expert committee consisting of Ksenija Urličić, Ljudevit Grgurić, Mario Bogliuni, Hrvoje Hegedušić, Ante Batinović, Željko Mesar, Ljubo Karamatić, Duško Knežević and Jasna Ceković reviewed the received submissions and selected twenty-six artists and songs for the competition.