There are no vaccination required to enter Croatia.
If you're going camping or hiking in continental Croatia during summer, you should be aware of ticks and tick-carrying diseases such as encephalitis and lyme-disease. Approximately 3 ticks in 1000 carry the virus.
In Eastern Slavonia (particularly around the Kopacki Rit near Osijek) wear long sleeves and take insect repellent.
Tap water in Croatia is perfectly safe, and in some areas considered the best in the world. However, you can still choose from several brands of excellent bottled water (Jamnica being the most popular, and Jana, several times awarded as the world's best bottled water).
During summer make sure you use adequate SPF to protect yourself from sunburn. There are no ozone holes over Croatia but it's fairly easy to burn in the sun. If this happens make sure you get out of the sun, drink plenty of fluids and rehydrate your skin. The locals will often advise covering the burnt spot with cold yogurt bought from the supermarket.
In case of an emergency you can dial 112 - responsible for dispatching all emergency services such as fire departments, police, emergency medical assistance and mountain rescue.
Since the hostilities ended in 1995, there remain an estimated 90,000 landmines in Croatia. However these are not to be found in areas visited by tourists. If you plan to hike consult locals before you go. The mine suspected areas are marked with 16.000 mine warning signs.
Do not stray from marked roads or known safe areas.
Watch out for Bura wind danger signs. Bura is known in Velebit area, can blow up to 200 km/h and is known to have thrown lorries on the sides.
Avoid strip clubs at all costs. They are often run by very shady characters, and often overcharge their guests. Recent cases include foreigners that were charged 2000 euros for a bottle of champagne. These clubs overcharge their customers to the extreme, and their bouncers will not have any mercy if you tell them you are unable to pay. You will soon find yourself in a local hospital. Using common sense is essential, but due to the nature of the clubs this may be in short supply, and you may be better advised simply to steer well clear of these clubs.
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