VERNACULER ARCHITECTURE Vernacular architecture is the architecture which is formed of a long and gradual process over and over again in accordance with the behavior, customs, and culture in the place of origin. Vernacular, derived from the mean vernacullus local, native. Gradually with the architectural establishment for so long that attitude will form roots. Indonesian background is very spacious and has lots of islands causing considerable cultural differences and architecture is one of the parameters of the culture in Indonesia because it is usually associated with the architecture of the social system, the family, to religious rituals. A. Role and Function of Vernacular Architecture In the architectural context, the role and function of vernacular architecture becomes important not only in Indonesia but also in Asia, because Asia consists of many different cultures and customs are different in different wilayahnnya, where each region has specific characteristics and architecture derived from the tradition. Between tradition and vernacular architecture are closely related. The tradition of giving a guarantee to continue the continuity will be the order of a system architecture through the perception of space, form, and construction is understood as a legacy that will change slowly through a habit. For example, how local communities adapt to nature, which raises a variety of ways to cope, such as climate by creating a shelter to confront the climate and adapt to the surrounding environment and taking into account the local potential such as potential air, plants, natural materials and so on, it will be created an architectural building that people use a simple and appropriate technology. It is this simplicity that is a better value so as to create distinctive forms of traditional and vernacular architecture and shows how to use the material in a reasonable and not excessive. The work of 'the people' will reflect a society that is familiar with the nature, beliefs, and norms wisely. B. History of Vernacular Architecture In Indonesia, various types of traditional houses considered a vernacular tradition of Indonesia and is believed to have similar developmental origins of the ancient tradition. This is mainly attributed to the Austronesian architectural tradition which is seen as an integral part of the expansion of Austronesian culture. The origin of this architectural tradition can be traced back to ancient human cultures that inhabit coastal areas and rivers of southern China and northern Vietnam more than 4000 years BC. At that time, community groups and the migration is estimated to have in common with the architectural tradition called Austronesian architectural traditions, and as a consequence, it is almost all over the Indonesian archipelago which is the home of traditional vernacular architectural heritage have the same shape, both of form and structure of morphological form the basic structure. Shape the structure and morphological features of traditional Indonesian houses consist of two kinds, namely traditional house built on the principle of typical architectural traditions of the ancient Austronesian namely: a box structure built on a foundation of wooden poles, can be planted into the ground or placed on the soil surface with foundation stone, the stage floor, sloping roof with an extended sequence and the front of the leaning roof sticking out . While in the eastern Indonesian archipelago many types of traditional houses classed as part of the vernacular architectural tradition, in which the shape of the building usually has: a circular floor and a high conical roof structure such as a honeycomb shape or an elliptical dome-shaped roof structure . C. Some Vernacular Architecture Categories tradition in Indonesia Communities that inhabit the interior, especially in the mountains have a tradition that when viewed from the perspective of cultural history is considered older than the people who live in low-lying or coastal areas. Traditional buildings built by the people who live inland are considered showed greater similarity with diverse architectural traditions and building Austronesian and the traditions depicted in the Borobudur temple in Central Java than people living in low-lying areas and on the beach. Traditional houses built by the Toraja in South Sulawesi and the Batak people who live in North Sumatra is seen as a form of traditional houses attached to the vernacular architectural tradition of their ancestors. The people of Aceh in northern Sumatra, and the Baduy Tengger in Java, the Bali Aga (Bali Mula) in Bali, and the Dayaks in Kalimantan, Indonesia as well as some Eastern societies dikepulauan also regarded as 'the ancients', however, the traditional home them if from the point of view of culture, including the actual foreign architectural tradition that emerged in the Indonesian archipelago that is part of the expansion of Hindu-Buddhism, Islam, and Europe. D. conclusion In some places in the Indonesian archipelago, vernacular architectural tradition still maintained, most of the stiffness persists without modification, some are built in a modern but with added features and traditions of vernacular architecture. Tradition and vernacular architectural style is still important for Indonesia because of various reasons, interests, and usability. It is necessary for an effort to extinction can be stopped, in addition its preservation for generations to come depend on the amount of awareness of the importance of tradition and the values of cultural heritage is invaluable.