D&D Waterdeep City Map - Rules of Play says:

To celebrate the release of Dungeons & Dragons Dragon Heist, Gale Force Nine is releasing this Giant City map, allowing you to bring the Crown of the North to your tabletop. Featuring locations of renown, this map will allow your party of adventurers to traverse all the streets and alleys of the City Splendors as they discover the secrets hidden within. Printed on high-quality single sided vinyl surfaces, these maps are durable and hard wearing.