Rather than dollars or pounds, when you go to Croatia, you will need to have Kuna. A Kuna is split into 100 lipas. If you want to find out about the value of Croatian currency then you should check out the Croatian National Bank website. There you can find out today's current values against GBP, USD and most major currencies that are used throughout the world. Rather than exchanging money, one great method is to use a credit card for your Croatian money instead. This will mean that you can use an ATM in the country to withdraw money, and therefore you do not have to worry about carrying large sums of money on your person. One problem associated with this is that when you put your card into the machine you will have to be able to change the language to English through the menu. You should not be too concerned with this - you should be able to get it eventually through using common sense. If you do not want to use a credit card, or you cannot work the ATM, then do not worry. Unlike some countries, where you firstly need to exchange into USD before being able to change into the native currency, Croatia allows for direct currency exchange. If you do decide to use a currency exchange you should avoid the services offered by the hotels; they tend to try to charge too much. When in Croatia you should not be too worried about being able to get medical help if you need it; especially if you have medical insurance. It is also worth showing the medical professionals your passport when you visit the hospital. The reason for this is that many countries have reciprocal medical arrangements where by they will willingly treat tourists as long as their tourists get treated in their country.
If you are worried about safety in Croatia then do not be. Croatia is, for the most part, very safe. Like any country, there is chance of theft and other crimes however no more so than anywhere in the West. One problem with Croatia is that men have a strong tendency to wolf whistle at women and girls; however this will be overcome by showing them that you are not amused. Should you need to speak to someone Croatian in English then you are best to target those in their 20s or younger - Croatians are now strongly encouraged in learning English at school