Santa Cruz de La Sierra, also known as Santa Cruz, is the largest city in Bolivia, capital city of the Santa Cruz department (in the eastern region of the country). The municipality's population was 1,528,683 inhabitants in 2006 , and the urban population in 2008 was 1,545,161.
Santa Cruz is not only the most populated city in Bolivia, but the department is also the richest, with over 30% of the national GDP. The city is a major center of petrochemical production in Bolivia, especially because the production of natural gas that exports to neighboring countries. The main sectors that drive the economy are the oil, forestry and agrobusiness firms.