[1] The project began in 1999, and it represents a fifth iteration of the encyclopedic tradition that was established by Mate Ujević's Croatian Encyclopedia, and continued in the Encyclopedia of the Lexicographical Institute, as well as the two editions of its General Encyclopedia.
The free-access online edition of the Croatian Encyclopedia has been available since 2013.
Paper volumes are no longer published.
[2][3] Since 2021, the Encyclopedia, available at enciklopedija.hr, is managed by new, fourth editor-in-chief, Bruno Kragić, with the team of 14 editors, and updated on the weekly basis.
[3] It represents a combined effort of 1070 authors, mainly associates.