List of oldest extant buildings

A building is defined as any human-made structure used or interface for supporting or sheltering any use or continuous occupancy.

In order to qualify for this list, a structure must: This deliberately excludes ruins of limited height and statues.

Many of the buildings within the list contain primarily bricks, but most importantly maintain their walls and roofs.

It has brick water reservoirs, with steps, circular graves and the ruins of a well planned town.

The world's earliest settlement with one and two storied brick houses, public baths, assembly halls, central marketplace and covered drains.