Passage: In the 2012 census, it reported a population of 3,412,921, making it the most populated department. The capital is the city of Santa Cruz de la Sierra. The department is one of the wealthiest departments in Bolivia, with huge reserves of natural gas. Besides, it has experienced the highest increase of economic growth during the last 50 years in Bolivia and South America.

Question: In which country is the city of Santa Cruz de la Sierra located?
Bolivia