Kayl is a commune and town in south-western Luxembourg. It is part of the canton of Esch-sur-Alzette. As of 2024, the town of Kayl, which lies i…Kayl is a commune and town in south-western Luxembourg. It is part of the canton of Esch-sur-Alzette. As of 2024, the town of Kayl, which lies in the centre of the commune, has a population of 5,856. Other towns within the commune include Tétange.