Recent statistical study carried out recently on the Old Sana'a that the number of
 homes (8000) and the number of population (90 000) people, almost.
study noted that the number of mosques in Old Sana'a 48 ancient mosques and markets 30 markets and 37 samsara (like small hotels ).

The study noted that the number of oil mill, water container for stranger, Miqshama (69) distributed as follows: 50 miqshama, 12 water container, 7 oil mill.

Indicated that the number of neighborhoods to 40 with one open area,, in addition to a mosque and a miqshama, every neighborhood is one of the architectural perspective is a city in itself and that the Old Sana'a is the largest historic city in the world area of 1.8 km sqm, 156 hectares and the greatest thing that distinguishes it is a living city, 7000 years old and was taken by its founder King Humairi Sha’aram or Trahith and was considered to resort to spend leisure time and there was in Sanaa (6) Doors: the door of the BabAl Yemen, Stran Khuzaymah, Alshqadif, Sabah, Sho’ob.

The word Sana came from the label Himyarite a (Snao) means ( many industries) and some of the narrators that this designation came during the occupation, al-Habashi to Yemen, where he found a Wall, castles and towers, calling them in the Ethiopian (Sana) and found this in the inscriptions of Yemen and the Ethiopian.

The Wall of Sana'a is considered tall castle, as some historians, the last of Dr. Abdul Rahman Al-Haddad invaders feared that the fence as he was walking by the thickness of 8 Knights their horses.