The national flag of the Principality of Monaco is identical to the flag of Indonesia. The combination of red-white can be also found in the flag of Poland and Singapore.

The flag of Monaco has two equal horizontal bands, one red (top) and the other one white (bottom), both of which have been the heraldic colours of the House of Grimaldi since at least 1339. Monaco’s original flag, which was similar to its current Princely ...