Why go
The useful choice is between settings, not simply stores. Midtown combines the bustle of Fifth Avenue with Herald Square's department-store scale; Madison Avenue is a window-shopping district of luxury fashion; SoHo pairs retail with cast-iron streets and former artists' lofts. Lower Manhattan adds Chinatown's dense street markets and NoLIta's small boutiques.
The full story
Manhattan's shopping districts follow its changing urban fabric. Fifth Avenue in Midtown is the flagship corridor, while Herald Square is defined by the scale of Macy's and the surrounding retail streets. On the Upper East Side, Madison Avenue is associated with high-end fashion and homewares; it works as an architecture-and-window-shopping walk even when the shops are not the destination. Farther south, SoHo's former artists' colony became a shopping district along West Broadway, Prince Street, and Broadway, where cast-iron buildings remain part of the appeal. NoLIta offers smaller boutiques, while Chinatown around Canal and Mott streets has a lower-cost, more crowded street-market character. Manhattan also retains a record-store culture, including shops for used and new vinyl. Pair one retail district with its surrounding streets rather than trying to cross the island for every category.