The Northeast region of Thailand, known as Isaan, is home to the second largest people group in the country. In Thai, Isaan refers to the people, the dialect and the land area of Northeast Thailand. One can be Isaan, speak Isaan and be from Isaan. The Isaan region includes 170,218 square kilometres, about one third of the country's total area. In 2001 the population of Isaan was 20,825,400 or 33% of Thailand's total population.