Azalea belongs to the genus Rhododendron but is smaller and it has been cultivated for hundreds of years. In China it was so important, that some poet dedicated his verses to it, and it is also one of the symbols of the city of Sao Paolo, Brazil. Japan, Korea and United States all have flower festivals celebrating the blooming of azalea, but with all its beauty. the plant is also highly toxic and according to Wikipedia its bouquets were used as a death threat. (Read the whole article on Azalea here ).
Azaleas prefer the room temperature about +20*C and slightly higher, however, if the room is cooler, it will bloom longer. The plant doesn't like dark rooms, but the direct sunlight and draught should be avoided. Instead of watering it, twice a week place it in a bucket of water and let it stay there for about 15 minutes.
Taking care of your azalea and other houseplants is easy to combine with listening to some nice music, such as this: