Yuen Long is situated in the northwest of the New Territories in a large alluvial plain surrounded by hills on three sides. The district covers Ping Shan Heung, Ha Tsuen Heung, Kam Tin Heung, Pat Heung, San Tin Heung, Shap Pat Heung, Yuen Long Town and Tin Shui Wai.
The earliest significant settlements in Yuen Long can be traced back to the Sung Dynasty (960 - 1279 A.D.). The TANG and MAN clans are the earliest known settlers in the district.
The district is renowned for its rich cultural heritage and abundance of antiquities and monuments. Many traditional ceremonies and rituals are still observed by the people in Yuen Long, in spite of the coming of modernity of Yuen Long. Examples are Tin Hau Festival, Tai P'ing Ch'ing Ch'iao and basin meal.
Life in Yuen Long is enriched by cultural and recreational activities held all the year round. Opened in 1970, Yuen Long Town Hall has been providing social welfare and youth activities in Yuen Long. Yuen Long Theatre, completed in 2000, is equipped with the most modernized auditorial rooms and theatres. The redeveloped Yuen Long District Sports Association Jockey Club Complex completed in 2011, enabling residents to enjoy sports activities with family members and friends in their home town.
The external transport of Yuen Long has been greatly improved after Route 3 and Tai Lam Tunnel were opened in mid 1998. The KCRC West Rail has come into operation since 2003, the network of transport in Yuen Long District becomes more and more perfect.