The Hosidius windmill is a windmill located in Hosidius, south of the city centre and north of the POH portal. The windmill can be used to grind grain into flour. There is a wheat field located directly south of the windmill.
On the ground floor[UK]1st floor[US] of the mill there is a flour bin into which all the milled flour is poured. On the 1st floor[UK]2nd floor[US] there are millstones, which grind grain to make flour. On the 2nd floor[UK]3rd floor[US] there is the hopper into which grain is put and the hopper controls which control the flow of the grain from the hopper to the millstones. To mill flour, a player will need grain and an empty pot to collect the flour.