The object of this quiz is to adjust each circle's radius so it contains the target population shown at the right but ONLY within Europe. When you click Start you will be shown a marker on a random populated Europe grid square (there are over 90K 10x10 km grid squares used for the data, courtesy of https://human-settlement.emergency.copernicus.eu/index.php). Also you will see an adjustable circle of radius 100 km to start. Adjust the circle's radius by dragging it until it contains the target number of people shown - this target will be between 5 and 100 million people. Then click submit. You are scored on how close your circle's population is to the target.
PLEASE NOTE: ALL of Turkey is included in counting population (not just European portion), and the portion of Russia west of 61.5 degrees E (just east of Chelyabinsk). Nothing outside Europe (such as Africa or middle east other than Turkey) is included toward the population count within a circle.
Quiz Takers 
did a unionist make this quiz?
just doing admin divisions based on the actual country like for other quizzes, not getting involved in Irish politics! lol
Best not to get into Irish politics, it’s messy
There’s nothing political about the historical counties, maybe say Ireland (Island) in title instead of missing some of the quiz.
yes i realize Dublin has split into 3 counties, but including it as a full single county on this quiz.
Sort of has sort of hasnt, Its been split into four administrative counties, but its still technically one county