Pleiku is a city in central Vietnam, located in the Central Highlands region. It is the capital of the Gia Lai Province. Many years ago, it was inhabited primarily by the Bahnar and Jarai ethnic groups, sometimes known as the Montagnards or Degar, although now it is inhabited primarily by the Kinh ethnic group. The city is the centre of the urban district of Pleiku which covers an area of 261 km².

The Central Highlands, South Central Highlands, Western Highlands or Midland Highlands is a region located in the south central part of Vietnam. It contains the provinces of Đắk Lắk, Đắk Nông, Gia Lai, Kon Tum, and Lâm Đồng.