Do Tianshui and Tianjin belong to Gansu Province?

Tianshui is a prefecture-level city in Gansu Province, China, which is located in the middle of Gansu Province.

Tianjin is a municipality directly under the central government of China. As an independent administrative division, Tianjin is not subordinate to any province. Located in the north of China, Tianjin is one of the important port cities in China and one of the economic, financial and transportation centers in China.

So Tianshui belongs to Gansu province and Tianjin is a municipality directly under the central government.