Abstract
ATLAS is a general-purpose spectrometer in preparation for taking data at the Large Hadron Collider at CERN. It will start operation in autumn 2007. Charged particle tracking is realized by the Inner Detector. The Inner Detector consists of two silicon subsystems: a Pixel Detector and a Semiconductor Tracker complemented by straw proportional gas chambers. In order to exploit the excellent intrinsic resolution of the precision tracking devices high accuracy alignment is required. In this report the strategy to align the sub-detectors of the ATLAS Inner Detector is reviewed, together with the current status of preparation. Both track-based and hardware alignment methods are presented.
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