Nairn is a town and royal burgh in the Highland council area of Scotland. It is an ancient fishing port and market town around 17 miles east of In…Nairn is a town and royal burgh in the Highland council area of Scotland. It is an ancient fishing port and market town around 17 miles east of Inverness, at the point where the River Nairn enters the Moray Firth. It is the traditional county town of Nairnshire.