The instinct is to stay as central as possible. In Beijing that instinct is often wrong: central hotels cost two to three times more for rooms that are no better, and the metro is fast enough that distance costs you minutes, not hours.
What actually matters
Three things decide whether a Beijing base works: proximity to a metro station, whether the hotel handles international guests, and the room-to-price ratio. A hotel 5 metres from a metro exit beats one 15 minutes' walk from the same line — especially with luggage, in summer heat, or when you are leaving for the Great Wall at 07:30.
The areas, briefly
A rough guide:
Dongcheng / Xicheng (central) — Walking distance to the Forbidden City and hutongs. Convenient, but expensive for the space you get.
Chaoyang (east) — Business district, international restaurants, good for the airport express.
Haidian (north-west) — Near the Summer Palace and universities. Quiet, good value.
Fengtai / southern Beijing — Where the best value sits. Well connected by Line 9 and Line 8, and closer to Daxing airport.
What we suggest
If you plan to spend your days out rather than in the room, pick a metro-connected hotel in a value district and spend the difference on experiences. Both KOULING hotels are chosen on exactly that logic.