What is the fine-grained topic of the following text: Shenzhen's Grand Holiday Hotel (Gelande Jiari Jiudian) is located in the heart of Shenzhen's financial district, only a five-minute drive from the Huanggang border crossing into Hong Kong and the Shenzhen High-Tech Exhibition Center, and it's just 25 minutes by car from Shenzhen International Airport. Only return the topic.
The Grand Holiday Hotel in Shenzhen's financial district