Shandong Taian belongs to several cities.

Taian is a third-tier city. According to the ranking of "2022 Urban Commercial Charm Ranking", Taian is a third-tier city with excellent comprehensive strength and strong economic development level.

Third-tier cities mainly refer to small and medium-sized cities with strategic significance or relatively developed or large economic aggregate. Third-tier cities can be divided according to administrative level, city size, population, economic development level, GDP quality and other standards.