Gan 'an is located in Changqing District, Jinan City, Shandong Province. County was withdrawn in June of 200 1 year. Expressway and high-speed rail pass through here, so it can be said that the traffic extends in all directions.

Changqing is a new district in Jinan, Shandong Province. The edge of Taishan uplift is high in the southeast and low in the northwest. From southeast to northwest, there are mountains, hills, piedmont plains and Yellow River depressions in turn, which is known as "eight mountains, one depression and one plain". There are many rivers in the territory, mainly including the Yellow River, the North-South Dasha River system, Yufu River, Qingshuigou and other rivers. The soil quality in this area is mainly brown soil, cinnamon soil and sandy soil.