Note: Do not rely on this information. It is very old.
Ay
Ay, or Ai, a town of France on the river Marne and in the department of that name, about 18 miles from Reims. The neighbouring vineyards produce a famous growth of champagne which is perhaps the oldest and the best of the wines of the district. It is calculated that the Ay vineyards yield in good years 20,000 pieces.