Bali is a small island that stretches from the West tip to tip along the East approximately 153 kilometers and from north to south along the approximately 112 km. According to data from the BPS Bali by 2012, the island has an area of 5,780.06 square kilometers inhabited by 4:22 million, with an average density of 730 inhabitants per square kilometer. From a total of 4:22 million inhabitants, 89% ethnic Balinese, Javanese 7%, 1% so-called Bali Aga, and 1% Madurese. And there are about 30 thousand foreign citizens (foreigners) who live in Bali until the end of 2012. In terms of religion / beliefs held, 92.29% of Bali's population is Hindu, 5.69% Muslim, Catholic and Christian 1:38%, and 0.64% adherent Buddha. There are 3 kinds of language used in Bali. Use of Balinese language more dominate in rural areas and suburbs. In urban areas (such as Denpasar) and tourist areas (such as Kuta, Seminyak, and Nusa Dua) more populated using Indonessia language. Foreign languages are widely used, especially in tourist areas, is English, followed by Japanese, French, Spanish and Italian.
Livelihoods in Bali, among others, include work as farmers, craftsmen, and a wide variety of businesses in the services sector, especially tourism. Subsistence farming is the most important of the majority of the people of Bali. Types of farming in this paradise island include rice farming and plantations. In the farming system in Bali, "Subak" very important role.
Subak is one form of social organization in Balinese traditional and hereditary formed by the Balinese Hindu community. Subak serves as an integral part of the paddy rice field owners or tenants who receive irrigation water from a water source or a particular dam. Subak is a unity of economic, social, cultural and religious. In general, the duty of every citizen is to organize subak water sharing, maintaining and repairing irrigation, pest eradication activities, agricultural innovation and conceptualize and activate the ceremony. Because subak has a structure which is based on the conception of Tri Hita Karana is a conception which harmoniously integrates three components cause of the prosperity and happiness of life is believed by the people of Bali, so that each subak in Bali should have a temple of worship. Subak existing on the island numbered about 1,482 fruit and Subak Abian 698 numbered pieces.