The Gulf of Kvarner is located in the far north of the Adriatic Sea, specifically between the province of Istria and the northern Croatian coast. It is one of the closest water bays to central Europe, and includes many islands and coastal cities. The most famous of them is the city of Rikiya. The bay is considered one of the most famous tourist areas in Croatia, and tourism is frequented for the purpose of recreation and exploring its charming nature, as it has many sandy beaches surrounded by green spaces covered by trees, and it is also an ideal destination for practicing various outdoor activities such as walking long distances, jogging, and exploring. In addition to various water activities such as swimming, boating, kayaking, etc., in addition to diving, which is considered one of the most popular activities that can be practiced in the Gulf Islands, due to the presence of many cracks, holes, and underwater tunnels that are worth discovering.