A secondary battery and a method for manufacturing the same, the secondary battery includes an electrode assembly and a pouch, the electrode assembly having a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode and insulating the first electrode and the second electrode from each other, the pouch configured to have a bottom face and lateral faces extending from edges of the bottom face and including a cavity to accommodate the electrode assembly. The pouch includes an alignment protrusion provided on its lateral face. The electrode assembly including an alignment indentation provided at its edge. The alignment indentation corresponds to the alignment protrusion of the pouch.