- a republic in S Asia, between India and Afghanistan: formerly part of British India; known as West Pakistan from 1947–71 to distinguish it from East Pakistan (now Bangladesh). 310,403 sq. mi. (803,881 sq. km). Capital: Islamabad.
- (before 1947) the predominantly Muslim areas of the peninsula of India as distinguished from Hindustan, the predominantly Hindu areas.
- a republic in S Asia, on the Arabian Sea: the Union of Pakistan, formed in 1947, comprised West and East Pakistan; East Pakistan gained independence as Bangladesh in 1971 and West Pakistan became Pakistan; a member of the Commonwealth from 1947, it withdrew from 1972 until 1989; contains the fertile plains of the Indus valley rising to mountains in the north and west Official language: Urdu. Official religion: Muslim. Currency: rupee. Capital: Islamabad. Pop: 193 238 868 (2013 est). Area: 801 508 sq km (309 463 sq miles)
- a former republic in S Asia consisting of the provinces of West Pakistan and East Pakistan (now Bangladesh), 1500 km (900 miles) apart: formed in 1947 from the predominantly Muslim parts of India