Location situated in rawa mazowiecka hotel ossa congress spa is on a lake and area attractions include church of st adalbert castle of the dukes of mazovia and museum of the earth rawska hotel features hotel ossa congress spa has a full service spa an indoor pool and a health club wireless internet access is complimentary in public areas there is a business center on site dining options at the hotel include 1 restaurants along with a coffee shopcaf guests are served a complim