Stuck in Arlania..

[Doooms]

Hey guys just got done with my first fight against Guilford , once i got to arlania and had to fight some strong elf groups , i lost alot of my Archers , cavalry and my griffons. Now im suppost to take down the 4 units at the beach but i cant find anywhere to replenish my army ,or do i have to recruit different units from the elves in meliisarr or back to the vikings? Thanks in advance for the help!