Hrvatska zajednica tehničke kulture (HZTK) is the central body for technical culture in Croatia. With a rich history spanning over 75 years, HZTK aims to promote and develop technical knowledge and skills among individuals of all ages. HZTK offers a wide range of products and services to support this goal.

They publish the renowned magazine ABC tehnike, which serves as a valuable resource for the latest advancements in technology and engineering. They also offer a variety of publications, including a robotics manual for mentors and students, as well as a guide on orientation and topography. In addition to their publishing activities, HZTK organizes workshops, competitions, and events to foster innovation and creativity within the field of technical culture.

Notable events include the Festival of Technical Culture, the Scientific Picnic, and the Maker Faire. HZTK is committed to supporting individuals with special needs and gifted students in their pursuit of technical knowledge. They also collaborate with other national and regional associations to ensure the widespread availability of technical education and activities.

As the national center for technical culture, HZTK is dedicated to promoting a culture of innovation and technological excellence throughout Croatia