Documentary by Pierre Brouwers Media 9 Production. Acre is a city of Israel on the Mediterranean Sea, at the north of Haifa Bay. The Old City of Akko is one of of the oldest continuously inhabited cities in the world, . The Old City of Akko Knights HallsKnights Halls in Akko by Flickr user 1yen The Old City of Akko is a UNESCO World Heritage Site in recognition of the remains . Acre is a city of Israel on the Mediterranean Sea, at the north of Haifa Bay. The Old City of Akko is one of of the oldest continuously inhabited cities in the world, .