sentences:  According to the United States Census Bureau, Marion has a total area of , of which is land and , or 0.37%, is water.It is bordered by the city of West Memphis to the south and by Sunset and Clarkedale to the north.Ecologically, Marion is located on the border between the Northern Backswamps (west Marion) and Northern Holocene Meander Belts (east Marion) ecoregions within the larger Mississippi Alluvial Plain.