GraphicsColumn

GraphicsColumn[{g1,g2,…}] generates a graphic in which the gi are laid out in a column, with g1 above g2, etc. 

GraphicsColumn[list,alignment] aligns each element horizontally in the specified way. 

GraphicsColumn[list,alignment,spacing] leaves the specified spacing between successive elements.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.