Saraburi สระบุรี a province in the central part of Thailand . Located on the east side of the valley of the river Chao Phraya . The eastern part of the province is occupied by high plains and plateaus, western - lowland plain. Area - 3 576.5 square kilometers, population - 715 404 people (2010). The average population density is 200.00 people. / Km². The administrative center of the province - the city of Saraburi , located 108 kilometers from Bangkok . In Saraburi there are 2 national parks.