The insula of the left side, exposed by removing the opercula. (Image is of left side, but there is some evidence that there may be right-sided dominance.)
^Kahane P, Hoffmann D, Minotti L, Berthoz A (November 2003). "Reappraisal of the human vestibular cortex by cortical electrical stimulation study". Ann. Neurol. 54 (5): 615–24. doi:10.1002/ana.10726. PMID14595651. S2CID33077726.