The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North and Central European Plain.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/seas/baltic-sea/en.wikipedia.org.md
I had hoped my essay on the limits of politics would provoke reactions, and I was not disappointed. But the most intense response has been aimed not at cyberspace, seasteading, or libertarian politics, but at a commonplace statistical observation about voting patterns that is often called the gender gap.