Arab is a city in Marshall County, Alabama in the northeastern part of the U.S. state of Alabama, located ten miles from Guntersville Lake and Guntersville Dam, and is included in the Huntsville-Decatur Combined Statistical Area. As of the 2000 census, the population of the city is 7,174. According to the 2005 U.S. Census estimates, the city had a population of 7,498.