This thesis covers a comparative law approach, regarding confessions and the so caused effects on the criminal procedure of Austrian and Common Law. As far as Common-Law-Countries are concerned, the focus will be exclusively laid on the legal system of England and Wales. Due to the fact, that the development of criminal procedures and their legal principles offer a valuable clue to the legal meaning and treatment of confessions, they will be examined in a first step. Afterwards the confession will be discussed particularly; further in connection with interrogation, plea bargaining, mitigation circumstances and retrial circumstances as well. This will be followed by an examination of false confessions, which often lead to wrongful convictions and their consideration from the criminological and psychological view. Finally a comparison of the different procedural consequences of confessing during the criminal procedure will be given.