<Table> <Tr> <Th_colspan="2"> Potosí </Th> </Tr> <Tr> <Td_colspan="2"> View of Rich Hill (Cerro Rico) and National Mint </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Flag </Td> <Td> Coat of arms </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Nickname (s): Imperial Villa (Villa Imperial in Spanish) </Td> </Tr> <Tr> <Td_colspan="2"> Potosí Location in Bolivia </Td> </Tr> <Tr> <Td_colspan="2"> Coordinates: 19 ° 35 ′ S 65 ° 45 ′ W ﻿ / ﻿ 19.583 ° S 65.750 ° W ﻿ / - 19.583; - 65.750 Coordinates: 19 ° 35 ′ S 65 ° 45 ′ W ﻿ / ﻿ 19.583 ° S 65.750 ° W ﻿ / - 19.583; - 65.750 </Td> </Tr> <Tr> <Th> Country </Th> <Td> Bolivia </Td> </Tr> <Tr> <Th> Department </Th> <Td> Potosí </Td> </Tr> <Tr> <Th> Province </Th> <Td> Tomás Frías </Td> </Tr> <Tr> <Th> Municipality </Th> <Td> Potosí Municipality </Td> </Tr> <Tr> <Th> Founded </Th> <Td> April 1, 1545 </Td> </Tr> <Tr> <Th_colspan="2"> Government </Th> </Tr> <Tr> <Th> Mayor </Th> <Td> René Joaquino Cabrera </Td> </Tr> <Tr> <Th_colspan="2"> Area </Th> </Tr> <Tr> <Th> Total </Th> <Td> 118.218 km (45.6 sq mi) </Td> </Tr> <Tr> <Th> Elevation </Th> <Td> 4,067 m (13,343 ft) </Td> </Tr> <Tr> <Th_colspan="2"> Population (2012) </Th> </Tr> <Tr> <Th> Total </Th> <Td> 240,966 </Td> </Tr> <Tr> <Th> Density </Th> <Td> 2,000 / km (5,300 / sq mi) </Td> </Tr> <Tr> <Th> Time zone </Th> <Td> UTC - 4 </Td> </Tr> <Tr> <Th> Website </Th> <Td> Official website </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> UNESCO World Heritage Site </Th> </Tr> <Tr> <Th> Criteria </Th> <Td> Cultural: (ii), (iv), (vi) </Td> </Tr> <Tr> <Th> Reference </Th> <Td> 420 </Td> </Tr> <Tr> <Th> Inscription </Th> <Td> 1987 (11th Session) </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Potosí </Th> </Tr>

When the potosí mines in peru opened in 1545