Dalian is located at the west of the Yellow Sea and the east of Bohai Sea roughly in the middle of the Liaodong/Liaotung peninsula at its narrowest neck or isthmus. With a coastline of 1,906 km. Dalian governs six districts , three county level cities and one county. Dalian City is home to 6.1 million people. According to the official statistics in 2007, children under the age of 14 account for 15% of the total population (about 915,000), while elderly people above the age of 60 constitute 17% (about 1,037,000). Males make up 51% of the population and females make up 49% of the population.