Cat Ba archipelago in Cat Hai district, Hai Phong city, is 50 km east of the northern coast of Vien Nam. It consists of 366 island and islets with Cat Ba being the largest one. It lies adjacent to Ha Long Bay to north, thus both shares with Ha Long Bay the same beauty of hill rising from the deep blue sea water and at the same time, offers you with it’s own features of scenic nature and calmer atmosphere.