Tri Angga is an hierarchy that can be seen in Bali architecture. It means 3 parts :
-HIGH
-MIDDLE
-LOW
This 3 character can be represented in the human body, building structures, town planning and the environment in which the Balinese live.
The Tri Angga of Bali as a place are divided as follow :
1. UTAMA - the high-sacred mountains which form a ridge from east to west through the center of the island
2. MADYA - the middle is where most of the Balinese live
3. NISTA - the low is the sea or the part located at the most lower, dirty, level of feet.