Through the Markets and Bazaars - Strolling Through Istanbul: The Classic Guide to the City - page 174

herringbone pattern, covering an area of at least 2,000 square metres.
This basement is used today, as it probably was originally, for storage
of all kinds of goods. The vaults and superstructures on ground level
were doubtless one of the many granaries or storage-depots which
are known to have existed in this area from at least the fourth or fifth
century.
Returning to Hasırcılar Caddesi, we turn right and continue
along until we come to the Spice Bazaar. Once inside we turn left
and after passing through the Bazaar we find ourselves in the great
square before Yeni Cami. Here, having completed our stroll through
the principal markets and bazaars of Stamboul, we might be inclined
to stop at the fish or vegetable markets of Eminönü and do a little
shopping ourselves.