It is a part of the South - western Sydney region .
Mount Lewis , a suburb of local government area Canterbury - Bankstown , is 18 km south - west of the Sydney central business district , in the state of New South Wales , Australia .
Mount Lewis is a part of the South - western Sydney region .
Mount Lewis , a suburb of local government area Canterbury - Bankstown , is 18 km south - west of the Sydney central business district , in the state of New South Wales , Australia .