How to make a 2d hand drawn map?,What should I use to make a 2d drawn map?

As the title says, how to make a hand drawn 2d map? Should I draw it in gimp and then upload as a sprite? or do I make a tile map (it's not pixelart btw)? I'm open to any idea I just want to know how you guys do it.,Like the title says. How do I make a drawn map, do I draw it in Gimp and export as a sprite into unity? or should I do a tilemap? I'm open to all ideas