The phrase "main hub" refers to a central location or place where a lot of activities, people, or resources come together or connect. It is like a central hub of a wheel that connects all the spokes. Full definition
Do not forget to put a link to your website or blog in your signature to direct potential readers to your «main hub of creativity». (changingthescript.com)
For six decades, the airport served as the Greek capital's main hub for commercial air travel. (businessinsider.com)
We have accommodation options close to the beach, best restaurants and main hubs in town that will suit every pocket. (byronbayaccom.net)