Mercia

The flag of the Kingdom of Mercia, a historic kingdom located in what is now England.
==Symbolism==
The flag is the Cross of Saint Alban. A lighter variant is now used as the flag of the city of St Albans, England.
Category:England
Category:United Kingdom
Category:Blue background
Category:Historical flags
Category:Saltire
Category:Yellow
Category:Proportions 3-5