Kiesselbach&;s plexus is present at
Ref BDC volume3,6th edition pg 241The anteroinferior pa or vestibule of the septum contains anastomoses between the septal ramus of superior labial branch of facial aery, branch of sphenopalatine aery, greater palatine and of anterior ethmoidal aery. These form a large capillary network called kiesselbachs plexus.
Medial wall of nasopharynx
Lateral wall of nasal cavity
Anteroinferior pa of nasal septum
Posterior pa of the nasal cavity
Head and neck