Tacna
geographical name
Tac·na ˈtäk-nä 
city in southern Peru near the border with Chile population 242,451
Note: Tacna is in the region called Tacna-Ari*ca \\ ˈtäk-nä-ä-ˈrē-kä 
\\ that was occupied by Chile from 1884 to 1930 and is now divided between Chile and Peru.