Hello, do you want to ask which tier city Laiyang belongs to in 222? Laiyang is a third-tier city in 222. Laiyang, located in the east of Shandong Province, has jurisdiction over 5 streets and 13 towns, with a total area of 1,732 square kilometers and a permanent population of 794,986, which meets the standards of third-tier cities. Therefore, Laiyang belongs to a third-tier city in 222.