Château du Gazin is located in Saint-Michel-de-Fronsac in the Fronsadais on the right bank of the Bordeaux region. Red wines are made under both the Fronsac AOC and Canon-Fronsac AOC. The château building has 16th-century origins, and . It was purchased in 1716 by Jean de Boissieux and his wife, Anne Bayard. 

Owner: Henri and Marie Robert.

Vineyards: 25ha of Canon-Fronsac AOC (one of the largest or the largest in Canon-Fronsac) and 5ha of Fronsac AOC. Below Saint-Michel-de-Fronsac, near the border with Saint-Aignan. Limestone plateau and côtes shaped and eroded partly by erosion. Red earth topsoil.