ELBE

River that flows through Hamburg (4)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,623 — 2023-08-15 23:00:31
  12D: River rising in the Czech Republic and flowing into the North Sea at Cuxhaven in Germany (4)
• Quick crossword No 16,100 — 2021-12-13 00:00:52
  21A: River that flows through Hamburg (4)