Romania. Iași County. Iasi. Religious scenery and Romanian flag above the entrance to the Orthodox Church "Saint Nektarios". The national flag of Romania is a tricolor with vertical stripes, beginning from the flagpole: blue, yellow and red. Iași (also referred to as Iasi, Jassy or Iassy) is the largest city in eastern Romania and the seat of Iași County. Located in the Moldavia region, Iași has traditionally been one of the leading centres of Romanian social, cultural and artistic life. The city was the capital of the Principality of Moldavia from 1564 to 1859, then of the United Principalities from 1859 to 1862, and the capital of Romania from 1916 to 1918. 6.06.15 © 2015 Didier Ruef