The Gaslamp Quarter is a historic neighborhood in downtown San Diego, California. It extends from Broadway to Harbor Drive and from 4th to 6th Avenue. The neighborhood is listed as a historic district on the National Register of Historic Places as the Gaslamp Quarter Historic District. It includes over 90 historic buildings, most of which were constructed i…The Gaslamp Quarter is a historic neighborhood in downtown San Diego, California. It extends from Broadway to Harbor Drive and from 4th to 6th Avenue. The neighborhood is listed as a historic district on the National Register of Historic Places as the Gaslamp Quarter Historic District. It includes over 90 historic buildings, most of which were constructed in the Victorian era; many are in use as restaurants, shops, entertainment venues, and nightclubs.