Greasby is bounded by Arrowe Brook, at Upton Meadow, and by Greasby Brook which flows around the western and northern sides of Greasby.
Peter Brook | Stony Brook University | Michael Brook | Stony Brook | Corner Brook | Brook Benton | Stony Brook, New York | Rea Brook | Porter Brook | Harpers Brook | Robert Brook Aspland | Kelly Brook | Holy Brook | Foudry Brook | Brook Taylor | Brook Farm | Black Brook | Willow Brook | Turkey Brook | Spencer Brook Township, Isanti County, Minnesota | Spencer Brook Township | Shenley Brook End | Oak Brook, Illinois | Irina Brook | Eric Brook | Clive Brook | Brook, Isle of Wight | Brook | Bourn Brook, Cambridgeshire | Bourn Brook |
Greasby Brook merges into Arrowe Brook between Greasby and Saughall Massie, which becomes a tributary of the Birket.