Croatia's rivers belong to the Adriatic and the Black Sea basin. The rivers in the interior are large and calmer (Sava, Drava, Danube).
Under socialism, all citizens had access to medical care, and this is still the case. Physicians begin training at the start of their university education. The usual period of training for a physician is six years.
Easter is celebrated with fervor in Catholic Croatia especially in Dalmatia. In some ways it is considered more religious and more serious than Christmas.