<p>Check city, as it is closest to district/region. </p>
<p>Do note though that in the entire application, those check boxes are the most important data you provide, so choose wisely. Clearly, I am joking - but I needed to amuse myself after a long day at work. This is just one of those shockingly minor questions that some of you get so concerned with. </p>
<p>I need sleep!</p>