PROTECTOR AND ROUTING UNIT

A protector includes a protector main portion configured to accommodate a wire harness , and a second intermediate guiding portion configured to guide, to the outside, at least part of the wire harness accommodated in the protector main portion. In the protector main portion, an outer face of a side wall portion of the protector main portion includes a fastener base on which the wire harness guided from the second intermediate guiding portion can be fastened with a cable tie B. The fastener base has a placement face on which the wire harness is placed, the placement face being a flat face.