Sai Kung District is 12,680 hectares on the eastern coast of Hong Kong. It includes more than 70 islands in the 18th district of Hong Kong, including the southern part of the Sai Kung Peninsula, the Clear Water Bay Peninsula, the new town of Tseung Kwan O and the eastern waters. 95% of the population is concentrated in the new town of Tseung Kwan O. Sai Kung is known as the back garden of Hong Kong. As most of the district has not been developed, it is a good place for the daily outings of the public. The area of ​​Sai Kung District includes Sai Kung, Hang Hau Estate and Tseung Kwan O. It is the second largest administrative district in Hong Kong. Sai Kung District is located in the southeast of the New Territories, including the rural and new towns, as well as dozens of islands of various sizes. In addition to retaining the traditional folk customs of the village, the district also has the vitality and vitality of Xinyi Town. In the process of high-speed urbanization, the rural area of ​​Saigon still has a beautiful natural scenery and is known as the “back garden of Hong Kong”. Tseung Kwan O in the district has developed from a small fishing village and shipbuilding area in the 1960s to a major new town with a population of about 300,000 today, which fully reflects the impetuous and energetic side of Sai Kung District.