Cat Ba island, also known as Pearl island, is the biggest island among 1.969 islands of Ha Long bay. The name Cat Ba is derived from a legend that back in the day of wartime, woman in the region took the responsibility of the rear for man to fight in the front. The name Cat Ba is originally Cac Ba which means Women. An adjacent island is named Cat Ong (Cac Ong – Men.)

​Lan Ha bay is located at the East of Cat Ba island and borders Halong Bay. The bay measures 7000 ha, of which 5400 ha are under management of the Cat Ba National Park. This smooth area with a curvy shape counts around 400 large and small islands. The islands and islets of Lan Ha Bay are all covered with green lush.

Entirely situated among the immense sea and surrounded by high mountains and jungle of Cat Ba National Park, Viet Hai fishing village is situated in Cat Hai district, Haiphong province. Visiting Viet Hai fishing village, tourists will feel the tranquil and peaceful atmosphere, charming scenery of villages in the North, Vietnam. Viet Hai is today the community ecological attractions in Cat Ba Island alluring the large number of tourists. Lyrical natural landscapes, pristine and unique landscapes together with friendly people will definitely leave unforgettable impression to tourists in mind.