The Western Australian Conference is a constituent of the Australian Union Conference. Its headquarters are located at 84–88 Welshpool Road, Welshpool, Western Australia 6106, Australia. Its unincorporated activities are governed by a constitution that is based on the model conference constitution of the South Pacific Division of the General Conference of Seventh-day Adventists.
The Western Highlands Mission is the Seventh-day Adventist (SDA) administrative entity for the Western Highlands province of Papua New Guinea. Its headquarters are in Mt Hagen, Western Highlands province, Papua New Guinea.
The Western Pacific Union Mission (WPUM) existed between 1972 and 2000. It was a constituent union of the General Conference of Seventh-day Adventists and was part of the South Pacific Division of the General Conference (SPD). Its headquarters when dissolved were in Honiara, Solomon Islands.