Tai 'an, a prefecture-level city under the jurisdiction of Shandong Province, is located in the middle of Shandong Province, north of the provincial capital Jinan, south of Qufu, east of Linyi, west of the Yellow River, a total area of 7762 square kilometers. It is 66.8 km to the north from the provincial capital of Jinan. It has jurisdiction over 2 municipal districts, 2 county-level cities and 2 counties. According to the seventh census data, as of midnight on November 1, 2020, the permanent resident population of Tai 'an city is 5,472,217.

Tai 'an is named for Mount Tai, "Mount Tai is safe all over the world", which means the country is peaceful and the people are safe. The city is located at the foot of Mount Tai, built on the mountain, and the mountain city is one. Mount Tai is a national key scenic spot, with the reputation of "the First of the Five Mountains" and "the first mountain under heaven". It is a world natural and cultural heritage. In 1982, Tai 'an was listed by The State Council as one of the first tourist cities open to the outside world. Tai 'an is one of the central cities of Shandong region, China's outstanding tourist city, national historical and cultural city.

In 2021, Tai 'an achieved the gross regional product of 299.67 billion yuan. The added value of the primary industry is 32.74 billion yuan, that of the secondary industry is 116.65 billion yuan and that of the tertiary industry is 150.28 billion yuan. The three industrial structure adjustment is 10.9:38.9:50.2.