A foreign passport holder’s Guilin–Yangshuo trip is cleanest as two bases: one or two nights in Guilin city and two or three in Yangshuo. The Li River connects them by cruise or bus, and both towns have licensed hotels that register foreigners — but the small riverside inns vary, so confirm the licence before you book each stay.
A foreign passport holder’s 7-day Guangxi route is three bases: two nights in Guilin, two in Yangshuo, and three in Beihai (with a Weizhou Island day). High-speed rail and a flight/bus link them, and each base has licensed hotels that register foreigners — but the small riverside and island inns vary, so confirm the licence before booking each stay.
For a foreign passport holder, the 5-day Guilin–Yangshuo route works best as two bases: two nights in Guilin city (near the Li River or the pedestrian streets) and three nights in Yangshuo (near West Street or along the Yulong River). A licensed hotel in each registers you normally; the transfer between them is a short bus or boat ride.
Four days in Guilin and Yangshuo are best split as two nights in Guilin city and two near Yangshuo’s West Street, letting the Li River cruise carry you between bases mid-trip. This plan is built around those two licensed stays and the transfer that links them.