Brooklyn is about 30 times smaller than Istanbul.

Istanbul is approximately 5,343 sq km, while Brooklyn is approximately 180 sq km, making Brooklyn 3.36% the size of Istanbul.
Tip: This to-scale comparison of Istanbul vs. Brooklyn uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.