The kappa-invariant and supersymmetric actions of D1 and D5-branes in AdS3 x S3 are investigated, as well as the action of a D5-brane in an AdS5 x S5 background. The action of a D5-brane lying totally in an AdS3 x S3 background is found. Some progress was made towards finding the action for the D5-brane free to move in the whole AdS3 x S3 x T4 space, however the supersymmetric action found here is not kappa-invariant and the reasons the method used did not find a kappa-invariant solution are discussed.
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