Berlin's urban area stretches beyond the city limits, comprising about 3.7 million people; the Berlin-Brandenburg metropolitan area is home to about 4.3 million in an area of.
Berlin's urban area stretches beyond the city limits. Berlin's urban area is comprising about 3.7 million people; the Berlin -. Brandenburg metropolitan area is home to about 4.3 million about 3.7 million people in an area of.