New Urban Mapping datasets: Tashkent and Ulanbaator


Tashkent patterns on an overview


Modern urban planning began in the 1950s, with most of the old Ger districts replaced by Soviet-style flats. In 1990, Ulaanbaatar was a major site of demonstrations that led to Mongolia’s transition to democracy and a market economy. Since 1990, an influx of migrants from the rest of the country has led to an explosive growth in its population, a major portion of which live in Ger districts, which has led to harmful air pollution in winter.

Ulanbaator yurts and new buildings (source)

There is a special tag in Openstreetmap “Tag: building=ger” and many yurts are already mapped. But I have done much more, and covered whole Ulaanbaatar, not just downtown — it is more, than 4 700

The geodata layers for Ulanbaator

Data accessibility




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