From A Wiki of Ice and Fire
Weasel Alley is an alley in King's Landing where inns can be found.
A Feast for Crows
Cersei Lannister tries to influence her brother Jaime to become King Tommen's Hand of the King by using their memory of the night spent together in the inn on Eel Alley years ago. She incorrectly remembers the event as having taken place in a inn on Weasel Alley.
- ↑ 1.0 1.1 A Feast for Crows, Chapter 8, Jaime I.