Antofagasta is a port city in northern Chile, about 1,100 kilometres (700 mi) north of Santiago. It is the capital of Antofagasta Province and Antofagasta Region. According to the 2012 census, the city has a population of 345,420.
Formerly part of Bolivia, Antofagasta was captured by Chile in the War of the Pacific (1879–83), and the transfer of sovereignty was finalized in the 1904 Treaty of Peace and Friendship between the two countries.
The city of Antofagasta is closely linked to mining activity, being a major mining area of the country. The last decade has seen a steady growth in the areas of construction, retail, hotel accommodations, population growth, and remarkable skyline development.