“Mirabar is a mining city on the Sword Coast. As of 1368 DR it is the richest city north of Waterdeep.”
External link: http://forgottenrealms.wikia.com/wiki/Mirabar
Mirabar suffered greatly in the war with the Uthgardt-Orc coalition and has just begun to rebuild. The city is currently ruled by its hereditary Marchioness, Arianna Raurym, in tandem with the Council of Sparkling Stones.