This is the result of data analysis, which has resulted in a geographical database of pretty much every town and city in the world.
这是数据分析的结果，这导致了世界上几乎每个城镇和城市的地理数据库。
英语百科
Geographical database
A geographical database is a database of geographic data, such as countries, administrative divisions, cities, and related information. Such databases can be useful for websites that wish to identify the locations of their visitors for customization purposes.