Manhattan

Manhattan was part of New York City.

In Reality Z-25 31-H, the fight against the Cosmic Solution took place in Manhattan and created a rift in reality in Times Square. (COMIC: Epilogue to Destruction)

In one universe, when it attacked downtown New York, one giant robot was seen “stomping along through the towers of Manhattan” before advancing along Broadway, “a few blocks up from Erikson Circle”. (PROSE: Truth in Labeling)

Nyarlathotep once laid an ambush for Randolph Carter's descendants Dwain and Karolyn in lower Manhattan in Universe, but they were forewarned by Jenny Over-There and went to hide in Kadath instead. (PROSE: Who Laws the Lawyers?)