Hob Goblins Map Location
Slayer Gear Required for Hunting Hob Goblins
Just fighting gear, you can range these if you want but usually just melee is easy enough.
Hob Goblins Location
Varrock Sewers (or is it edgeville dungeon, not sure) See map above for entrance.
Hob Goblins Drops
Nothing amazing. Some runs i made 116k from the seeds as they drop snapdragon and some other rare seed which are nice, but mostly GP and bones and some low herbs.