Guangzhou eSIM
Guangzhou is a river city with a tower skyline and a trade calendar that fills it twice a year. Trains run to Shenzhen and Hong Kong, and the metro covers the rest, so keep the maps and bookings online.

Before your Guangzhou trip
Baiyun airport
Baiyun International links the city by metro, with the airport line running into the centre.
High-speed rail
Trains to Shenzhen take under an hour and continue to Hong Kong. The same plan covers the mainland legs.
The fair weeks
During the Canton Fair the city fills up. Book the stay and the transfers early and keep the confirmations online.
A few things before you fly.
How do I travel to Hong Kong from Guangzhou?
High-speed trains run direct in about an hour; check that your plan covers both sides, or add one for Hong Kong.
Does the plan work in Shenzhen?
Yes, the same China plan covers the mainland cities around the bay.
When is the Canton Fair?
It runs in spring and autumn, and the city is busiest around those weeks; book ahead.