Torstein Hagen-led Viking will take delivery of the48,000-gt vessels in the middle of 2016 and 2017.
The pair will be sisterships to the two ordered lastDecember, the Italian yard announced today.
In all Viking now has six cruiseships on order atFincantieri including two 47,000-gt vessels ordered in July 2012.
The shipbuilder did not say how much it will pocket for thelatest contract but a figure of around EUR 300m ($413m) per ship was placed on the initialorder last year.
Fincantieri