Each dot represents a city with with an urban area population >= 2 million. To turn the dot green, guess the city or any other 2M+ city within 1000 km.
Urbanarea population according to citypopulation.de (ref. date 1.1.22)
This quiz is cities with 2 million or more people. Doesn't have to be a capital. Sucre's population is way too small for this quiz. Santa Cruz and LaPaz are the only cities in Bolivia big enough.
Not Santa Cruz.
The other two were Ürümqui, wich I couldn't spell right and Bamako, which is one of the few cities that just won't stay in my mind.