The Shire of Mullewa was a Local Government Area

Local Government Areas of Western Australia

The Australian state of Western Australia is divided into 141 local government areas...

 in the Mid West region of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

, about 100 kilometres (62 mi) east of the city of Geraldton

Geraldton, Western Australia

Geraldton is a city and port in Western Australia located north of Perth in the Mid West region. Geraldton has an estimated population at June 2010 of 36,958...

 and about 450 kilometres (280 mi) north of the state capital, Perth

Perth, Western Australia

Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

. The Shire covered an area of 10827 square kilometres (4,180 sq mi), and its seat of government was the town of Mullewa

Mullewa, Western Australia

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. It amalgamated with the City of Geraldton-Greenough

City of Geraldton-Greenough

The City of Geraldton-Greenough was a Local Government Area in the Mid West region of Western Australia, north of the state capital, Perth on the Indian Ocean...

 on 1 July 2011 to become part of the City of Greater Geraldton

City of Greater Geraldton

The City of Greater Geraldton is a Local Government Area in the Mid West region of Western Australia, north of the state capital, Perth on the Indian Ocean...

.
The Mullewa Road District was constituted on 11 August 1911, and on 1 July 1961, it became a Shire under the Local Government Act 1960.
Throughout 2010 and 2011 negotiations were held between the City of Geraldton-Greenough and the Shire of Mullewa as to whether the two entities should merge.