sentences:  In August 1958, Đính was made the commander of the II Corps, which oversaw the Central Highlands region mainly inhabited by indigenous tribes.He was based in the mountainous town of Pleiku and oversaw the surrounding region and the lowlands to the north of the capital of Saigon.This put him in control of the 5th, 22nd and 23rd Divisions, one third of the divisions in the country.