Which government department is responsible for this hotel?

Administration for Industry and Commerce.

The administrative department for industry and commerce is responsible for the supervision and management of business activities, including the registration, licensing and supervision of hotel operations. The administrative department for industry and commerce maintains market order, protects consumers' rights and interests and promotes the legitimate operation of enterprises through the implementation of relevant laws and regulations. If you encounter hotel irregularities, such as price fraud, false propaganda and service quality problems, you can call 123 15 to report complaints, and the administrative department for industry and commerce will investigate and deal with them according to relevant laws and regulations, so as to maintain fair competition and the normal order of consumer rights and interests.