Croatia, officially the Republic of Croatia, is a unitary democratic parliamentary republic at the crossroads of Central Europe, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb.

Summer courses are often an avenue used by students to attain additional certificates or qualifications outside of the normal school year. Whether they are bridging the gap between levels of study or adding to a career knowledge base, these courses can be found in almost any area of study.

On-campus learning refers to attending classes in person. It typically involves going to traditional classes and lectures, participating in group activities, and engaging with faculty and peers in person. On-campus learning also often includes access to laboratories, libraries, and other campus resources such as student clubs, career services offices, and recreation centers.