"Accommodates travellers who will work for the colony. The colonists in the surrounding area will enjoy the tavern and generate more gold. In addition, you can hire mercenaries who stay at the inn."
Near dwellings gold generation: +10%. This effect stacks with the effect of a Bank.
Mercenary units can be hired every 5 days. They are typically veteran units at double the normal gold cost. As the population around the Inn, increases, more and better mercenaries will be available.