Beyond the heritage core
Ban Nongxay is an OSM-mapped neighbourhood north-east of central Luang Prabang. It is useful on this map because the city is more than its peninsula: Nongxay represents the kind of road-linked, low-rise residential setting a newcomer may encounter once the guesthouse streets fall behind.
The benefit is space and a quieter, more local pattern. The cost is dependence on the road network. Central attractions, markets and work destinations are not far in a straight line, but river crossings, weather, road conditions and the availability of a tuk-tuk or motorbike decide how convenient the trip feels. A map pin cannot answer that; try the route at the hour you would actually travel.
My verdict
I would inspect Nongxay for a resident who values a less visitor-shaped neighbourhood and can manage errands by bicycle, tuk-tuk, taxi or motorbike. It is less convincing for someone who wants a walk-everywhere base or a strong choice of modern apartments. The city has no operational rail network, and no comparable neighbourhood rent dataset is being presented as fact. The drawn extent is a road-constrained estimate around the mapped village, not an official boundary.