First and foremost, we recommend you read the article Science Fiction in Croatia, written by Aleksandar Žiljak, the complete and revised history of Science Fiction in Croatia, from its beginnings in the 1920s to the present day.

Here are some other articles about Croatian SF and Croatian SF Fandom:

• Science Fiction Conventions in Croatia, by Dalibor Perković & Boris Švel – introduction to currently running conventions in Croatia.
• UBIQ – The New Croatian Science Fiction Magazine, by Aleksandar Žiljak – Ubiq is a bi-annual literary magazine with SF/F/H stories, theoretical texts, essays and bibliographical works. This article tells the story of how it got started and why, including a brief history of Science Fiction magazines in Croatia.