Health insurance in Poland is not obligatory but nevertheless is highly recommended. Without having it you may be charged with a huge bill if something happens to you.
There are two types of health insurance in Poland: public and private one. We cannot recommend you any private insurance company, but it should be really easy for your to find variety of such companies on the Internet. As to public insurance system in Poland, you can learn more about it here.
EU citizens are eligible for free health services in Poland providing that they present a valid European Health Insurance Card.
