The Most Serene Republic of Mercantile Sienna is a very large, genial nation, renowned for its barren, inhospitable landscape, digital currency, and irreverence towards religion. The compassionate population of 241 million Mercantile Siennans have some civil rights, but not too many, enjoy the freedom to spend their money however they like, to a point, and take part in free and open elections, although not too often.

The medium-sized government juggles the competing demands of Defense, Law & Order, and Education. The average income tax rate is 35.8%, but much higher for the wealthy.

The strong Mercantile Siennan economy, worth 14.8 trillion Mercantile Bucks a year, is broadly diversified and led by the Uranium Mining industry, with major contributions from Woodchip Exports, Information Technology, and Door-to-door Insurance Sales. State-owned companies are common. Average income is 61,229 Mercantile Bucks, and evenly distributed, with the richest citizens earning only 2.7 times as much as the poorest.

Everyone has the equal opportunity to have their wallet stolen, the Mercantile Sienna Automotive Racing Series draws millions of spectators annually while those near the tracks complain about the noise, power stations shutting down at night has made bedtime reading tricky, and politicians preface their speeches with a declaration that any resemblance to speeches given by individuals living or dead is purely coincidental. Crime, especially youth-related, is totally unknown, thanks to a capable police force and progressive social policies in education and welfare. Mercantile Sienna's national animal is the Lion, which teeters on the brink of extinction due to widespread deforestation.

Mercantile Sienna is ranked 35,106^th in the world and 2^nd in Mercantile Pursuits for Largest Insurance Industry, scoring 4,437.24 on the Risk Expulsion Effectiveness Rating.