Le Havre highlighted Baâs connection to the city in their announcement, welcoming him back to the club and the region where he grew up.
"It's a bit of a homecoming: Demba Ba spent his childhood and adolescence in Le Havre, and is now returning to settle in the Ocean City!" read the club's official statement.
"With this experience and a builder's spirit, Demba Ba has now joined Le Havre AC. He will continue to develop the club and help it establish itself in Ligue 1! Welcome, Demba!"