<prompt> The most common site of Berry aneurysm is:Junction of anterior communication aery with anterior cerebral aeryJunction of posterior communicating aery with internal carotid aeryBifurcation of middle cerebral aeryVeebral aery  <response>: Occurence of Berry aneurysm in order of frequency Anterior communicating aery anterior cerebral junction 29 Posterior communicating aery internal carotid junction 28 Middle cerebral bifurcation 18 Intracranial carotid bifurcation 8 Veebrobasilar or basilar bifurcation 3 