Below is a list of the oldest caches in NYC by borough. NYC is made up of five boroughs.
Bronx
Mourning Lady is a Virtual hidden 5/26/2002
Brooklyn
Bergen BeachCombing is a traditional cache hidden 9/3/2002
Manhattan
4quA5 is Manhattan’s oldest cache and NYC’s oldest cache is a traditional cache hidden 7/26/2001
Queens
Time Capsule- Open Cache in 5000 Years is a virtual 11/25/2001
Staten Island
Serpentinite is a traditional cache hidden 7/31/2004