 The major towns in this region include; Morgan, Truro, Swan Reach, Mannum, Murray Bridge, Tailem Bend, Meningie, Coonaplyn, Tintinara, Karoonda, Lameroo, and Pinnaroo.Callington is situated on the Bremer River, at the boundary between the Murraylands region and the Adelaide Hills.Murray Bridge has the largest population base, with approximately 19,724 reported in the 2011 Census.