The investigators (Gh.Alishan, Gh.Inchichyan) and the foreign travellers who visited Yerevan (J.Sharden, Robert Ker Porter, William Auzley, H.F.B.Linch) were especially interested in the name of Yerevan. In the Armenian literary Yerevan is mentioned as Yervan, Erevan, Ervan, Eruan, Arevan and in other forms.