The population of darwin has increased because of its

relative location

Explanation:

Darwin is located in the Northern Territory of Australia. This city is the most populated in northern Australia, and serves as the port of entry to many Asian countries, such as East Timor and Indonesia, converting its relative location into a commercial and multicultural center, which has increased its population in recent years, although In comparison to the rest of the country it is still the smallest city in Australia.

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i think the reason that they immagrated was to find freedom of religion