Reservation of hotels in Polanica Zdroj, easy online reservation. Hotel in Polanica Zdroj. Polanica Zdrój - the youngest among the spas of the Klodzko Land. Polanica prides itself on its distant history which dates back to 19th century, but the proper career of the resort had not developed until the first years of the present century. Polanica is generally regarded as one of the most modern Silesian spas . It is here that one can find two mineral water springs: Great Pieniawa and Josef. The waters are used in the treatment of heart, inhalation system and female illnesses. Interesting museums: mission and decorative stones museums.