The 'E-Linie' was a German fallback line for Generaloberst Karl-Adolf Hollidt’s (from 25 March 1944 General Sigfrid Henrici’s and from 8 April 1944 General Maximilian de Angelis’s) 6^th Army of Generaloberst Josef Harpe’s Heeresgruppe 'A' in the southern sector of the Eastern Front between the Bug and Dniestr rivers (March/April 1944).