1. Alibaba's company in the Cayman Islands is called "Alibaba Group Holding Limited".

2. This is because the Cayman Islands is an international financial center with flexible tax policies and legal systems, which attracts many multinational companies to register and set up companies here. Alibaba chose to set up a company in the Cayman Islands, probably to take advantage of its tax advantages and legal environment.

3. In addition, the Cayman Islands also provides a high degree of confidentiality to protect the company's business secrets and privacy information. This is also an important consideration for large companies like Alibaba.