Liechtenstein

 It is the 6th smallest country, considered a microstate. It is only 24.5 kilometers long, and 9.4 kilometers wide.

The capital Vaduz with only 5200 people living here.

They have lots of castles.

Liechtenstein is in the Rhine valley.

They export power tools and textiles since they can't export anything else for their small size, they also make lots of fake teeth.

There are more registered companies and jobs in Liechtenstein, than people living in Liechtenstein, which is why most of the workforce has to come to Liechtenstein from Austria and Switzerland.

Liechtenstein was part of the holy Roman empire.

The population of 38k people.

Swiss franc as their currency.

They speak Deutsch.

There is a legend that Liechtenstein joined the Astro-Prussian war, but they came back with negative casualties, as the army of 80 soldiers returned to the country with a friend, and after that, the military disbanded.

It is a monarchy and they are one of the wealthiest royals in Europe with a net worth of about 7.5 Billion, they are very friendly and down to earth as they often visit cafes and talk with local citizens.

Also there is hardly any crime as most people with a sentence of over 2 years are sent to Austria, and it is said that people don't lock their front doors.